transmission, for lorry

Unit: kilogram
Reuse license: CC BY 4.0
Published: 2026-11-03
Version: 1.0.1
Technology maturity: See quality profile

Manufacturing model for 1 kg of lorry transmission.

Classification: Trucks and lorries (transport/road/trucks)
Bookmarks: 0
Raw file downloads: 0
Generated export downloads: 1

Classification path: Transport > Road transport > Trucks and lorries

Keywords

Metadata & sources Methods, scope, reference years, publications, contributors, projects and funding.

Scientific journal publication

Wolff, S., Seidenfus, M., Gordon, K., Álvarez, S., Kalt, S., Lienkamp, M. (2020). Scalable Life-Cycle Inventory for Heavy-Duty Vehicle Production. Sustainability12(13),5396. https://doi.org/10.3390/su12135396

Background database: ecoinvent / 3.8
Background system model: cut-off
Biosphere database: ecoinvent / 3.8

These are the stored source profiles for this version. Foreground methodology is recorded in Scientific metadata.

External references

Publication DOI: 10.3390/su12135396

Declarations describe this version's foreground inventory. Missing information is not evidence of a particular allocation method or data origin.

Source publication year: 2020
Inventory reference year: Not specified
Foreground modelling approach: Not specified
Allocated product inventory: Not specified
Allocation or multifunctionality treatment: Not specified
Inventory contributions: Not specified
Methodology notes: Source and application
Wolff (2020) supplies scalable European heavy-duty tractor production inventories using secondary data, mass models and expert interviews. Its material-through-final-assembly boundary excludes use, fuel supply and vehicle end of life. GaBi, ecoinvent 3.3 and thinkstep 6.115 (2017) describe the source settings, not a migration of CLIC profiles. Publication in 2020 does not date every input. Bundling by carculator_truck 0.5.2/carculator_utils 1.3.7 describes later model provenance; Sacchi/Bauer/Cox (2021) describes the vehicle model rather than each component recipe.
System boundary: The recorded transmission material provision and manufacturing/service inputs per kilogram declared reference. Vehicle operation, fuel supply and whole-vehicle retirement are separate.
Technology description: Steel, cast aluminium, phenolic resin and synthetic rubber are combined with metal working, electricity and the recorded energy-supply reference. This component mass does not independently specify power transmission or operational losses.
Intended application: Per-mass transmission provision in an explicit lorry assembly model, retaining current supplier and process adaptations.
Use limitations: Component scope
Source mass normalization and CLIC material/processing suppliers do not establish every alloy, manufacturing yield or complete present industrial design.

Evidence and amendments
Recorded scoped checks did not establish a formal Wolff erratum; publisher web/PDF update dates do not themselves establish inventory corrections. Hawkins (2013) has a corrigendum affecting EV motor/inverter/charger and battery packaging. Its applicability must be traced to the specific reused component rather than propagated to every glider or rail process. Source and compiler heat units, gas reference conditions, supplier proxies and uncertainty retain their documented qualifications.
Data origins: Literature

Other fields not yet completed (6)

Data period start year, Data period end year, Valid until year, Multifunctionality applicable, Process type, Included life cycle stages

Publications (1)

Citation: Wolff, S., Seidenfus, M., Gordon, K., Álvarez, S., Kalt, S., Lienkamp, M. (2020). Scalable Life-Cycle Inventory for Heavy-Duty Vehicle Production. Sustainability12(13),5396. https://doi.org/10.3390/su12135396
Title: Scalable Life-Cycle Inventory for Heavy-Duty Vehicle Production
Doi: 10.3390/su12135396
Url: https://doi.org/10.3390/su12135396
Source type: Scientific journal
Publication year: 2020
Relation: Primary source
Authors: Sebastian Wolff · 0000-0001-6937-3313; Moritz Seidenfus; Karim Gordon; Sergio Álvarez; Svenja Kalt · 0000-0002-4261-8517; Markus Lienkamp

Projects (1)

Name: Wolff et al.(2020) scalable heavy-duty vehicle production source study
Url: https://doi.org/10.3390/su12135396
Relation: Source study

Funding (1)

Organization: Institute of Automotive Technology, Technical University of Munich, Boltzmannstraße15,85748Munich,Germany · https://ror.org/02kkvpp62
Project: Wolff et al.(2020) scalable heavy-duty vehicle production source study

Evidence and qualifications (20)

Target field: publications
Origin: Source import
Source reference: Existing published CLIC inventory documentation
Source location: source
Qualification: Append/deduplicate these references within this version. Preserve original_citation/original_doi and reconcile any existing primary source. Model ancestry is not automatically inventory authorship.

Target field: publications
Origin: Editor verification
Source reference: https://api.crossref.org/works/10.3390%2Fsu12135396
Source location: Publisher-deposited registry /message/title, /message/published and /message/author
Qualification: Append/deduplicate these references within this version. Preserve original_citation/original_doi and reconcile any existing primary source. Model ancestry is not automatically inventory authorship.

Target field: data_origins
Origin: Source import
Source reference: Existing published CLIC inventory documentation
Source location: source
Qualification: Documented inputs to this compilation/model, not newly measured data. Omitted tags remain unspecified. Literature denotes cited inventory sources.

Target field: technology_description
Origin: Source import
Source reference: Existing published CLIC inventory documentation
Source location: description
Qualification: Only this supplied activity is described; whole-paper life-cycle boundaries not copied onto components.

Target field: publications
Origin: Editor verification
Source reference: https://doi.org/10.3390/su12135396
Source location: Publisher XML/PDF byline, affiliations and ORCIDs; explicit source-role review
Qualification: Six2020authors at TUM. Paper defines truck component inventories, not regional rail operation. Historical affiliations and inventory contributors remain separate.

Target field: methodology_notes
Origin: Editor verification
Source reference: https://doi.org/10.3390/su12135396
Source location: Published main/SI member/cell quantities and exact CLIC references
Qualification: Wolff2020 supplies scalable European heavy-duty tractor component-production inventories from material manufacture through final assembly; vehicle use, fuel supply and end-of-life are excluded. Source software/background are GaBi with ecoinvent3.3/thinkstep6.115(2017), not a replacement for CLIC's profiles. Secondary data, mass models and expert interviews are used;2020 publication does not date every input. This node has reference1kilogram of transmission, for lorry; retain source component normalization, CLIC supplier/process proxies and later corrections separately. Partial source comparison. Dry engine SI mass1140kg differs from printed Table4 total1206kg; native/paper definitions are retained, not blindly renormalized. Cab heat total labelledkWh adds MJ subtotals and printed TableA2 saysMJ; other heatkWh/MJ labels require ancestor verification before any3.6rescaling. Tyre acetylene differs by10between SI and printed table. Natural-gas mass/volume conversion requires reference conditions. Source power-electronics sheet has detailed materials/processing but no declared total normalization; do not sum process solvents into a finished-device mass without justification. No formal Wolff erratum found in scoped checks. Publisher HTML/PDF update dates alone do not establish inventory corrections. Hawkins2013 corrigendum changes EV motor/inverter/charger and additional battery packaging; applicability must be traced to each reused component, not applied across every glider or rail process.

Target field: funding
Origin: Editor verification
Source reference: https://doi.org/10.3390/su12135396
Source location: Published funding statement
Qualification: TUM Institute of Automotive Technology basic research support of Wolff source study; no grant/industry sponsor or CLIC regional-rail/inventory-development funding inferred.

Target field: methodology_notes
Origin: Editor verification
Source reference: Manifest-verified prior correction/source/migration decisions and exact archive guards
Source location: Historical preservation register P013/P014 or scoped H-series review; original encoding and approval boundaries retained
Qualification: Manifest-verified historical decision NB-BOUNDED-2975. Preserve the identified prior repair and its source/profile qualifications. Exact agreement is not blanket approval of every other amount, provider, uncertainty or future version. Original decision rationale: Compose only the source-verified corrections recorded in audit ordinals 25; preserve the remaining curated model, original paired profiles and published history. Original qualification: The individual cited source/proxy and engineering limitations remain binding. No complete-model replacement, performance change, new recovery credit or blanket background migration is authorized. Specific prior repair evidence: Independently parsed original Wolff Transmission.xlsx B7/B3=109.8/366=0.3kg/kg generic aluminium. Historical0.300000011920929 is inherited float32, preserved exactly. Complete before/after parsed workbook comparison establishes that only the aluminium name/product and narrative change; amounts, uncertainty, formula fields and other ingredients/services/buyers remain unchanged. Native AlLi route contains lithium chloride and silver, unsupported by this generic source table. Cast alloy fits a plausible housing material class but is not a measured exact grade, proof of casting, retained pure-Al content or a new primary/recycled split. Supported identity correction, not a full transmission engineering validation.

Target field: technology_description
Origin: Editor verification
Source reference: https://doi.org/10.3390/su12135396
Source location: Original source methods/tables and exact retained manufacturing/intermediate/service reference
Qualification: Technical-characterisation review TC-2975. Design capacity: Unspecified. Basis: Own1 kg component-production reference has no configured manufacturing plant/output schedule. Source device ratings, mass/scaling laws, vehicle payload/life and embedded parent FCEV battery profile are not own production capacity, annual output, utilization or equipment life. Re-read source equipment, item, process and vehicle parameters remain scoped separately in the evidence. Evidence classification: source parameter and own manufacturing boundary review. Confidence: high for scope and explicit evidence gap. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan.

Target field: technology_description
Origin: Editor verification
Source reference: https://doi.org/10.3390/su12135396
Source location: Original source methods/tables and exact retained manufacturing/intermediate/service reference
Qualification: Technical-characterisation review TC-2975. Design capacity unit: Unspecified. Basis: Own1 kg component-production reference has no configured manufacturing plant/output schedule. Source device ratings, mass/scaling laws, vehicle payload/life and embedded parent FCEV battery profile are not own production capacity, annual output, utilization or equipment life. Re-read source equipment, item, process and vehicle parameters remain scoped separately in the evidence. Evidence classification: source parameter and own manufacturing boundary review. Confidence: high for scope and explicit evidence gap. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan.

Target field: technology_description
Origin: Editor verification
Source reference: https://doi.org/10.3390/su12135396
Source location: Original source methods/tables and exact retained manufacturing/intermediate/service reference
Qualification: Technical-characterisation review TC-2975. Capacity factor (%): Unspecified. Basis: Own1 kg component-production reference has no configured manufacturing plant/output schedule. Source device ratings, mass/scaling laws, vehicle payload/life and embedded parent FCEV battery profile are not own production capacity, annual output, utilization or equipment life. Re-read source equipment, item, process and vehicle parameters remain scoped separately in the evidence. Evidence classification: source parameter and own manufacturing boundary review. Confidence: high for scope and explicit evidence gap. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan.

Target field: technology_description
Origin: Editor verification
Source reference: https://doi.org/10.3390/su12135396
Source location: Original source methods/tables and exact retained manufacturing/intermediate/service reference
Qualification: Technical-characterisation review TC-2975. Annual production volume: Unspecified. Basis: Own1 kg component-production reference has no configured manufacturing plant/output schedule. Source device ratings, mass/scaling laws, vehicle payload/life and embedded parent FCEV battery profile are not own production capacity, annual output, utilization or equipment life. Re-read source equipment, item, process and vehicle parameters remain scoped separately in the evidence. Evidence classification: source parameter and own manufacturing boundary review. Confidence: high for scope and explicit evidence gap. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan.

Target field: technology_description
Origin: Editor verification
Source reference: https://doi.org/10.3390/su12135396
Source location: Original source methods/tables and exact retained manufacturing/intermediate/service reference
Qualification: Technical-characterisation review TC-2975. Annual production volume unit: Unspecified. Basis: Own1 kg component-production reference has no configured manufacturing plant/output schedule. Source device ratings, mass/scaling laws, vehicle payload/life and embedded parent FCEV battery profile are not own production capacity, annual output, utilization or equipment life. Re-read source equipment, item, process and vehicle parameters remain scoped separately in the evidence. Evidence classification: source parameter and own manufacturing boundary review. Confidence: high for scope and explicit evidence gap. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan.

Target field: technology_description
Origin: Editor verification
Source reference: https://doi.org/10.3390/su12135396
Source location: Original source methods/tables and exact retained manufacturing/intermediate/service reference
Qualification: Technical-characterisation review TC-2975. Annual production volume year: Unspecified. Basis: Own1 kg component-production reference has no configured manufacturing plant/output schedule. Source device ratings, mass/scaling laws, vehicle payload/life and embedded parent FCEV battery profile are not own production capacity, annual output, utilization or equipment life. Re-read source equipment, item, process and vehicle parameters remain scoped separately in the evidence. Evidence classification: source parameter and own manufacturing boundary review. Confidence: high for scope and explicit evidence gap. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan.

Target field: technology_description
Origin: Editor verification
Source reference: https://doi.org/10.3390/su12135396
Source location: Original source methods/tables and exact retained manufacturing/intermediate/service reference
Qualification: Technical-characterisation review TC-2975. Plant or represented-asset lifetime (years): Unspecified. Basis: Own1 kg component-production reference has no configured manufacturing plant/output schedule. Source device ratings, mass/scaling laws, vehicle payload/life and embedded parent FCEV battery profile are not own production capacity, annual output, utilization or equipment life. Re-read source equipment, item, process and vehicle parameters remain scoped separately in the evidence. Evidence classification: source parameter and own manufacturing boundary review. Confidence: high for scope and explicit evidence gap. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan.

Target field: technology_description
Origin: Editor verification
Source reference: https://doi.org/10.3390/su12135396
Source location: Original methods and inventories; independently retained editorial process boundary
Qualification: Technical-characterisation review TC-2975. Commercial maturity stage: mature_commercial. Basis: Curator assessment of the established underlying industrial manufacturing or processing class. It is not an author-assigned numerical TRL, a whole-vehicle/tank readiness claim or certification of exact retained recipe and omitted-flow closure. The approved editorial process boundary controls the interpretation of the historical dataset name. Evidence classification: source scope and explicit curator assessment. Confidence: medium curator judgement. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan.

Target field: technology_description
Origin: Editor verification
Source reference: https://doi.org/10.3390/su12135396
Source location: Original methods and inventories; independently retained editorial process boundary
Qualification: Technical-characterisation review TC-2975. Technology readiness level: 9. Basis: Curator assessment of the established underlying industrial manufacturing or processing class. It is not an author-assigned numerical TRL, a whole-vehicle/tank readiness claim or certification of exact retained recipe and omitted-flow closure. The approved editorial process boundary controls the interpretation of the historical dataset name. Evidence classification: source scope and explicit curator assessment. Confidence: medium curator judgement. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan.

Target field: technology_description
Origin: Editor verification
Source reference: https://doi.org/10.3390/su12135396
Source location: Original methods and inventories; independently retained editorial process boundary
Qualification: Technical-characterisation review TC-2975. Technological representativeness: 3. Basis: Curator assessment of scalable/transferred source materials and process proxies. Detailed local grouped-stage, gas/solvent/precursor/liner normalization and omission limitations justify score 4 where present; isolated source agreement does not certify the whole chain. Evidence classification: source scope and explicit curator assessment. Confidence: medium curator judgement. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan.

Target field: technology_description
Origin: Editor verification
Source reference: https://doi.org/10.3390/su12135396
Source location: Original methods and inventories; independently retained editorial process boundary
Qualification: Technical-characterisation review TC-2975. Geographical representativeness: 3. Basis: Curator score 3 for transferred European/German source and background assumptions; regional labels are not a measured local factory sample or verified equivalent supplier profiles. Evidence classification: source scope and explicit curator assessment. Confidence: medium curator judgement. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan.

Target field: technology_description
Origin: Editor verification
Source reference: https://doi.org/10.3390/su12135396
Source location: Original methods and inventories; independently retained editorial process boundary
Qualification: Technical-characterisation review TC-2975. Temporal representativeness: 4. Basis: Older technical/material inventories and manufacturer reports are combined in the 2020 publication. Neither publication year, later compiler generation nor inactive parent-vehicle assumptions establish component production vintage or an observed annual output year. Curator score 4 records that mixed historical/model scope. Evidence classification: source scope and explicit curator assessment. Confidence: medium curator judgement. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan.

Technology characterization Scale, utilization, production, lifetime, technology readiness and representativeness.

Commercial maturity stage: Mature commercial

Design capacity: Not provided

Design capacity unit: Not provided

Capacity factor: Not provided

Annual production volume: Not provided

Annual production volume unit: Not provided

Annual production volume year: Not provided

Plant lifetime: Not provided

Technology readiness level

Technological representativeness

Geographical representativeness

Temporal representativeness

Missing exchange uncertainty generation: Not requested

Representativeness scores use a 1–5 scale when provided. Lower scores indicate a closer fit to the modeled technology, geography, or time period.

Inventory & impacts 9 exchanges · exchange table, supply-chain graph and environmental screening.

Precalculated screening profile

Environmental impacts

Results per kilogram, using UVEK 2025 and the ecoinvent 3.10 biosphere. Exchange rows are shaded from green to red by relative contribution to the selected indicator.

Exchange impact indicator (EF v3.1)

Climate change 5.45789 kg CO2-Eq / kilogram

Screening result

This screening result uses Brightpath mappings from the source background to UVEK 2025; mapped suppliers are not claims of scientific equivalence.

Show all 16 indicator totals

Acidification 0.0182465 mol H+-Eq / kilogram

Climate change 5.45789 kg CO2-Eq / kilogram

Freshwater ecotoxicity 18.8283 CTUe / kilogram

Freshwater eutrophication 0.00212496 kg P-Eq / kilogram

Marine eutrophication 0.00397062 kg N-Eq / kilogram

Terrestrial eutrophication 0.0352171 mol N-Eq / kilogram

Human toxicity, cancer 8.9801e-09 CTUh / kilogram

Human toxicity, non-cancer 8.3804e-08 CTUh / kilogram

Ionising radiation 2.5958 kBq U235-Eq / kilogram

Land use 20.616 dimensionless / kilogram

Ozone depletion 1.1133e-07 kg CFC-11-Eq / kilogram

Particulate matter 2.3633e-07 disease incidence / kilogram

Photochemical ozone formation 0.0143151 kg NMVOC-Eq / kilogram

Resource use, fossils 83.3352 MJ, net calorific value / kilogram

Resource use, minerals and metals 2.1635e-05 kg Sb-Eq / kilogram

Water use 55.7916 m3 world Eq deprived / kilogram

Calculation details

Profile uvek-2025-ef-v3-1-4e70d56a85b1 · artifact 4e70d56a85b1 · calculated 2026-11-03 09:20 UTC. These screening results do not replace a reviewed comparative LCA.

Reference flow 1 row Reference production exchanges extracted from the uploaded inventory.

Exchange	Reference / categories	Amount	Unit	Metadata	Climate change contribution
transmission, for lorry RER	transmission, for lorry	1	kilogram	Metadata (1) Tag powertrain	Reference flow

Technosphere inputs 8 rows Linked foreground or background product inputs used by this dataset.

Exchange	Reference / categories	Amount	Unit	Metadata	Climate change contribution
market for steel, low-alloyed GLO	steel, low-alloyed	0.6	kilogram	Metadata (1) Tag other	1.2823 kg CO2-Eq / kilogram 23.5% of total BAFU:2025
metal working, average for steel product manufacturing RER	metal working, average for steel product manufacturing	0.6	kilogram	Metadata (1) Tag other	0.929078 kg CO2-Eq / kilogram 17.0% of total BAFU:2025
market for phenolic resin RER	phenolic resin	0.05	kilogram	Metadata (1) Tag other	0.19451 kg CO2-Eq / kilogram 3.6% of total BAFU:2025
market for synthetic rubber GLO	synthetic rubber	0.05	kilogram	Metadata (1) Tag other	0.143315 kg CO2-Eq / kilogram 2.6% of total BAFU:2025
metal working, average for aluminium product manufacturing RER	metal working, average for aluminium product manufacturing	0.3	kilogram	Metadata (1) Tag other	0.645531 kg CO2-Eq / kilogram 11.8% of total BAFU:2025
market group for electricity, low voltage ENTSO-E	electricity, low voltage	2.28	kilowatt hour	Metadata (1) Tag energy chain	0.669508 kg CO2-Eq / kilogram 12.3% of total BAFU:2025
market for aluminium, cast alloy GLO	aluminium, cast alloy	0.3	kilogram	Metadata (2) Tag other Comment Independently parsed original Wolff Transmission.xlsx B7/B3=109.8/366=0.3kg/kg generic aluminium. Historical0.300000011920929 is inherited float32, preserved exactly. Complete before/after parsed workbook comparison establishes that only the aluminium name/product and narrative change; amounts, uncertainty, formula fields and other ingredients/services/buyers remain unchanged. Native AlLi route contains lithium chloride and silver, unsupported by this generic source table. Cast alloy fits a plausible housing material class but is not a measured exact grade, proof of casting, retained pure-Al content or a new primary/recycled split. Supported identity correction, not a full transmission engineering validation. Historical exchange note:	1.2805 kg CO2-Eq / kilogram 23.5% of total BAFU:2025
heat and power co-generation, natural gas, 1MW electrical, lean burn Europe without Switzerland	heat, district or industrial, natural gas	1.71	megajoule	Metadata (1) Tag other	0.313151 kg CO2-Eq / kilogram 5.7% of total BAFU:2025

Parameters 0 source definitions · values, formulas and uncertainty.

Read-only definitions preserved with this inventory version. Values are supplied by the source; CLIC does not evaluate formulas or recalculate exchange amounts and impact scores from them.

No parameter definitions were supplied with this inventory snapshot.

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Original source files are currently unavailable, but you can still add this version to your basket for generated package export.

Raw uploaded files 0 files preserved with this version.

Original uploaded files were not included in the inventory archive. Generated inventory exports remain available.

Versions & changes 2 versions · change rationale, release notes and comparisons.

Oldest to newest. Arrows show recorded revision links; each node describes the change introduced by that version.

Version 1.0.0
Published 2026-07-15

First published inventory; no earlier version is available for comparison.
Superseded
Version 1.0.1
Published 2026-11-03

Updates the vehicle inventory to the documented carculator_truck 0.5.2 recipe. Model inputs, emissions and associated documentation follow the adopted source model where they differ…
Published · Viewing · Latest

Show full version history table (2 versions)

Version	Published	Reason for this version	Link
Version 1.0.1	2026-11-03	Updates the vehicle inventory to the documented carculator_truck 0.5.2 recipe. Model inputs, emissions and associated documentation follow the adopted source model where they differ from the previous public version.	Current view
Version 1.0.0 Superseded	Published 2026-07-15	First published inventory; no earlier version is available for comparison.	Open version

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About this version

Why this version changed

Updates the vehicle inventory to the documented carculator_truck 0.5.2 recipe. Model inputs, emissions and associated documentation follow the adopted source model where they differ from the previous public version.

Release notes

Source reference: https://doi.org/10.3390/su12135396.

These are modelled vehicle inventories, not measurements of a particular vehicle. The inventory description and model provenance retain the source assumptions and limitations. The declared background and biosphere profiles remain as stored; export conversions do not redefine the authored source.

Declared licence: CC BY 4.0. Source documents and external supplier inventories retain their own terms.

Changes from version 1.0.0 Compare this version with its predecessor. Exchanges are grouped by type and change; biosphere labels include their environmental compartments. Open the base version. Show changes Hide changes

Why this version changed

Public revision record

This comparison is permanently visible with the published version so users can assess every detected change before reuse.

Modified exchanges: 8
Added exchanges: 1
Removed exchanges: 1
Inventory metadata: 4
Version metadata: 12

Technosphere exchanges modified 7

Technosphere exchanges modified
Exchange / scope	Field	Previous value	Revised value	Reason
market for steel, low-alloyed (technosphere / GLO / kilogram)	Database	lci-long_haul_trucks	Not set	Carries the exchange from the refreshed vehicle-model recipe, using its stored supplier-reference representation. The amount and flow identity are unchanged; this does not establish full upstream equivalence.
metal working, average for steel product manufacturing (technosphere / RER / kilogram)	Database	lci-long_haul_trucks	Not set
market for phenolic resin (technosphere / RER / kilogram)	Database	lci-long_haul_trucks	Not set
market for synthetic rubber (technosphere / GLO / kilogram)	Database	lci-long_haul_trucks	Not set
metal working, average for aluminium product manufacturing (technosphere / RER / kilogram)	Database	lci-long_haul_trucks	Not set
market group for electricity, low voltage (technosphere / ENTSO-E / kilowatt hour)	Database	lci-long_haul_trucks	Not set
heat and power co-generation, natural gas, 1MW electrical, lean burn (technosphere / Europe without Switzerland / megajoule)	Database	lci-long_haul_trucks	Not set

Technosphere exchanges added 1

Technosphere exchanges added
Exchange / scope	Field	Previous value	Revised value	Reason
market for aluminium, cast alloy (technosphere / GLO / kilogram)	Amount	Not present	0.3 kilogram	Adopt the carculator_truck 0.5.2 recipe for the 2020 Regional delivery reference, replacing the earlier vehicle-model inventory consistently. Use the source recipe's market for aluminium, cast alloy input for this vehicle service, retaining its declared quantity, unit and supplier contract as part of the complete approved model rather than recalibrating one input independently.

Technosphere exchanges removed 1

Technosphere exchanges removed
Exchange / scope	Field	Previous value	Revised value	Reason
market for aluminium alloy, AlLi (technosphere / GLO / kilogram)	Amount	0.3 kilogram	Not present	Adopt the carculator_truck 0.5.2 recipe for the 2020 Regional delivery reference, replacing the earlier vehicle-model inventory consistently. Use the source recipe's market for aluminium alloy, AlLi input for this vehicle service, retaining its declared quantity, unit and supplier contract as part of the complete approved model rather than recalibrating one input independently.

Reference flows modified 1

Reference flows modified
Exchange / scope	Field	Previous value	Revised value	Reason
transmission, for lorry (production / RER / kilogram)	Database	lci-long_haul_trucks	Not set	Carries the exchange from the refreshed vehicle-model recipe, using its stored supplier-reference representation. The amount and flow identity are unchanged; this does not establish full upstream equivalence.
transmission, for lorry (production / RER / kilogram)	Linked database record	lci-trucks / 11a26c564f8df6281d5c15a82c3a128b	Not set

Metadata changes 16

Metadata changes
Exchange / scope	Field	Previous value	Revised value	Reason
Inventory file	Model	Not set	carculator_truck	Documents the refreshed vehicle model, its publication, generation provenance and modelling assumptions. Historical model notes remain as inactive provenance.
Inventory file	Model publication	Not set	Sacchi, R., Bauer, C., Cox, B. L. (2021). Does Size Matter? The Influence of Size, Load Factor, Range Autonomy, and Application Type on the Life Cycle Assessment of Current and Future Medium- and Heavy-Duty Vehicles. Environmental Science & Technology 55(8), 5224-5235. https://doi.org/10.1021/acs.est.0c07773
Inventory file	Model version	Not set	0.5.2
Inventory file	Vehicle inventory provenance	Not set	{"schema version": 1, "family": "truck", "original model": "carculator_truck", "model publication": "Sacchi, R., Bauer, C., Cox, B. L. (2021). Does Size Matter? The Influence of Size, Load Factor, Range Autonomy, and Application Type on the Life Cycle Assessment of Current and Future Medium- and Heavy-Duty Vehicles. Environmental Science & Technology 55(8), 5224-5235. https://doi.org/10.1021/acs.est.0c07773", "model generation date": "2026-10-14", "libraries": {"carculator_truck": {"version": "0.5.2", "recorded git revision": "4d28ac63a31057dec6879c863370eacae52b1c18"}, "carculator_utils": {"version": "1.3.7", "recorded git revision": "d5479554cbb27ee0be6d11858c9d80697f55a4d6"}}, "source revision boundary": "Recorded repository HEADs; file hashes identify the actual generation sources, including any uncommitted changes.", "source file sha256": {"carculator_truck/carculator_truck/model.py": "9f9d40b6041f5c2673d9beaac509b3efb78a3d52b8474d15ec07e2b42f2d8f72", "carculator_truck/carculator_truck/hybrid_battery.py": "fa91dbc33b1e4374324e5c8166aef11694802ab80e14092518562b5d4e309239", "carculator_truck/carculator_truck/fuel_cell_battery.py": "a2ea3530efd9aba26e6ff84f82e017a3a31f0fc02f47ce5da585b479c21feefa", "carculator_truck/carculator_truck/inventory.py": "071259a94158ae2af32c2690fd8be5182a0256e5cf4edeb3b9e68bbb60fc1d25", "carculator_truck/carculator_truck/data/extra_parameters.json": "466e5826240594c527b1b3e5123b9f4edc1a730fa1f7aef42b26423f16e641ac", "carculator_truck/carculator_truck/data/default_parameters.json": "a1da127f70f6c8eeed62e0c284356a04148e1a24f858b7af3aaba6cf698fbc4e", "carculator_truck/carculator_truck/data/payloads.yaml": "3e08a544e63a48f1a7af2d00b48d44136cbc5b94297344ab9db1bd80ce37b5bb", "carculator_utils/carculator_utils/hot_emissions.py": "f6c0ad5b23ecadbbd70b7680c462fa5ae689456852bc34e377bd192f7fc57e0f", "carculator_utils/carculator_utils/model.py": "105b6465c7008de25994b04945049e1f91f00cf0a49495d82de5362670300b48", "carculator_utils/carculator_utils/energy_consumption.py": "92f955dfcd14d5a8733500d92c8477e1b60e59e0d244ec16409d79f417fab19f", "carculator_utils/dev/regenerate_premise_trucks.py": "f20d31702e910521538a01ca9182e47a1830065ac539ebd10cae080a8592baa9", "carculator_utils/dev/premise_vehicle_battery_metadata.py": "dffd9125283ebfad536aef53520ad25cd5a50465a355d3144f32cf055e5e515b"}, "artifacts": {"raw.json": {"sha256": "34246b8a7b0e5d8a585278299be05e73b3e59da511b93cf57b6026ce13685e18"}, "model_parameters.json": {"sha256": "13462ca8a318f8c9ada1effd66f0695f3aeae1b5548b28d2c6f088c7c2090333"}, "vehicle_parameters.csv": {"sha256": "4edc35daff2c0c2609d6bdac5311a88238350e3dd0a00138a1730d4821e1206f"}, "noise_audit.csv": {"sha256": "2d0d601d9d6902e6cfc399c8651e31ff28ce54f7f55719b53c0172ec3691a050"}}, "baseline year": 2020, "climate": "CH; Swiss annual-average thermal-demand assumptions", "driving cycle": "Regional delivery", "noise boundary": "Direct noise flows omitted from Premise imports; retained in noise_audit.csv identified by SHA-256.", "FCEV battery profile": {"profile": {"nominal_kwh": 25.0, "pack_kg": 238.0, "charge_kw": 36.0, "discharge_kw": 50.0, "discharge_10s_kw": 150.0, "cell_mass_share": 0.7}, "source": "AKASOL AKASYSTEM 15 OEM 37 PRC, May 2021 manufacturer specification, explicit proxy for 2020 FCEV trucks: 25 kWh, 238 kg, 36 kW continuous charge, 50 kW continuous RMS discharge, 150 kW discharge for 10 s. https://www.act-news.com/wp-content/uploads/2020/11/210525_LowRes_AK_Datenblatt_AKASystem_15-OEM-37-PRC_2021_2159x2794mm_EN.pdf", "power_boundary": "Continuous charging cap after direct auxiliary use; instantaneous cycle discharge bounded by the continuous RMS rating, without repeated pulse assumptions. Rated motor buffer also bounded by the 10-second discharge rating.", "sizing": "Maximum of inherited 20 kWh + 6% H2 energy floor, cycle continuous-discharge requirement and rated short-pulse requirement. Explicit capacity retained and validated.", "mass_boundary": "Complete pack 238 kg per 25 kWh; 70% cell allocation and NMC-622 manufacture are retained proxies, not measured AKASOL cell specifications.", "limits": "Conditioned-pack proxy; no electrothermal, ageing, SOC-window or fuel-cell ramp validation. Generic chemistry costs and replacement assumptions retained.", "lca_proxy": "MIX capacity market per nominal kWh including replacements; physical mass mismatch documented without mass-equivalence correction.", "future_hardware": "Premise retains the regenerated 2020 FCEV hardware; no runtime cycle simulation.", "approved_on": "2026-10-14"}, "role": "bundled component", "metadata updated": "2026-10-14", "baseline identity": {"name": "transmission, for lorry, carculator regional truck 2020", "reference product": "transmission, for lorry", "location": "RER", "unit": "kilogram"}, "component source boundary": "Bundled component recipe exported with the model; model year and climate do not date or parameterize this component. Its literature source is recorded separately.", "activity source": "Wolff et al. 2020, Sustainability, DOI: 10.3390/su12135396"}
Version metadata	Commercial maturity stage	early_commercial	mature_commercial	No explanation was recorded for this change.
Version metadata	Geographical representativeness	2	3
Version metadata	Methodology and allocation explanation	Wolff2020 supplies scalable European heavy-duty tractor component-production inventories from material manufacture through final assembly; vehicle use, fuel supply and end-of-life are excluded. Source software/background are GaBi with ecoinvent3.3/thinkstep6.115(2017), not a replacement for CLIC's profiles. Secondary data, mass models and expert interviews are used;2020 publication does not date every input. This node has reference1kilogram of transmission, for lorry; retain source component normalization, CLIC supplier/process proxies and later corrections separately.	Source and application Wolff (2020) supplies scalable European heavy-duty tractor production inventories using secondary data, mass models and expert interviews. Its material-through-final-assembly boundary excludes use, fuel supply and vehicle end of life. GaBi, ecoinvent 3.3 and thinkstep 6.115 (2017) describe the source settings, not a migration of CLIC profiles. Publication in 2020 does not date every input. Bundling by carculator_truck 0.5.2/carculator_utils 1.3.7 describes later model provenance; Sacchi/Bauer/Cox (2021) describes the vehicle model rather than each component recipe.
Version metadata	Contributors, publications, projects and supporting evidence	Funding: 1. Project: Url: https://doi.org/10.3390/su12135396 Funding: 1. Project: Name: Wolff et al.(2020) scalable heavy-duty vehicle production source study Funding: 1. Project: Acronym: Not set Funding: 1. Project: Relation: source_study Funding: 1. Project: Grant identifier: Not set Funding: 1. Organization: Ror: https://ror.org/02kkvpp62 Funding: 1. Organization: Url: https://www.tum.de/ Funding: 1. Organization: Name: Institute of Automotive Technology, Technical University of Munich, Boltzmannstraße15,85748Munich,Germany Funding: 1. Award identifier: Not set Evidence: 1. Origin: source_import Evidence: 1. Target field: publications Evidence: 1. Qualification: Append/deduplicate these references within this version. Preserve original_citation/original_doi and reconcile any existing primary source. Model ancestry is not automatically inventory authorship. Evidence: 1. Source location: source Evidence: 1. Source reference: Existing published CLIC inventory documentation Evidence: 2. Origin: editor_verification Evidence: 2. Target field: publications Evidence: 2. Qualification: Append/deduplicate these references within this version. Preserve original_citation/original_doi and reconcile any existing primary source. Model ancestry is not automatically inventory authorship. Evidence: 2. Source location: Publisher-deposited registry /message/title, /message/published and /message/author Evidence: 2. Source reference: https://api.crossref.org/works/10.3390%2Fsu12135396 Evidence: 3. Origin: source_import Evidence: 3. Target field: data_origins Evidence: 3. Qualification: Documented inputs to this compilation/model, not newly measured data. Omitted tags remain unspecified. Literature denotes cited inventory sources. Evidence: 3. Source location: source Evidence: 3. Source reference: Existing published CLIC inventory documentation Evidence: 4. Origin: source_import Evidence: 4. Target field: technology_description Evidence: 4. Qualification: Only this supplied activity is described; whole-paper life-cycle boundaries not copied onto components. Evidence: 4. Source location: description Evidence: 4. Source reference: Existing published CLIC inventory documentation Evidence: 5. Origin: editor_verification Evidence: 5. Target field: publications Evidence: 5. Qualification: Six2020authors at TUM. Paper defines truck component inventories, not regional rail operation. Historical affiliations and inventory contributors remain separate. Evidence: 5. Source location: Publisher XML/PDF byline, affiliations and ORCIDs; explicit source-role review Evidence: 5. Source reference: https://doi.org/10.3390/su12135396 Evidence: 6. Origin: editor_verification Evidence: 6. Target field: methodology_notes Evidence: 6. Qualification: Wolff2020 supplies scalable European heavy-duty tractor component-production inventories from material manufacture through final assembly; vehicle use, fuel supply and end-of-life are excluded. Source software/background are GaBi with ecoinvent3.3/thinkstep6.115(2017), not a replacement for CLIC's profiles. Secondary data, mass models and expert interviews are used;2020 publication does not date every input. This node has reference1kilogram of transmission, for lorry; retain source component normalization, CLIC supplier/process proxies and later corrections separately. Partial source comparison. Dry engine SI mass1140kg differs from printed Table4 total1206kg; native/paper definitions are retained, not blindly renormalized. Cab heat total labelledkWh adds MJ subtotals and printed TableA2 saysMJ; other heatkWh/MJ labels require ancestor verification before any3.6rescaling. Tyre acetylene differs by10between SI and printed table. Natural-gas mass/volume conversion requires reference conditions. Source power-electronics sheet has detailed materials/processing but no declared total normalization; do not sum process solvents into a finished-device mass without justification. No formal Wolff erratum found in scoped checks. Publisher HTML/PDF update dates alone do not establish inventory corrections. Hawkins2013 corrigendum changes EV motor/inverter/charger and additional battery packaging; applicability must be traced to each reused component, not applied across every glider or rail process. Evidence: 6. Source location: Published main/SI member/cell quantities and exact CLIC references Evidence: 6. Source reference: https://doi.org/10.3390/su12135396 Evidence: 7. Origin: editor_verification Evidence: 7. Target field: funding Evidence: 7. Qualification: TUM Institute of Automotive Technology basic research support of Wolff source study; no grant/industry sponsor or CLIC regional-rail/inventory-development funding inferred. Evidence: 7. Source location: Published funding statement Evidence: 7. Source reference: https://doi.org/10.3390/su12135396 Projects: 1. Url: https://doi.org/10.3390/su12135396 Projects: 1. Name: Wolff et al.(2020) scalable heavy-duty vehicle production source study Projects: 1. Acronym: Not set Projects: 1. Relation: source_study Projects: 1. Grant identifier: Not set Publications: 1. Doi: 10.3390/su12135396 Publications: 1. Url: https://doi.org/10.3390/su12135396 Publications: 1. Title: Scalable Life-Cycle Inventory for Heavy-Duty Vehicle Production Publications: 1. Scientific authors: 1. Name: Sebastian Wolff Publications: 1. Scientific authors: 1. Orcid: 0000-0001-6937-3313 Publications: 1. Scientific authors: 1. Affiliations: 1. Ror: https://ror.org/02kkvpp62 Publications: 1. Scientific authors: 1. Affiliations: 1. Url: https://www.tum.de/ Publications: 1. Scientific authors: 1. Affiliations: 1. Name: Institute of Automotive Technology, Technical University of Munich, Boltzmannstraße15,85748Munich,Germany Publications: 1. Scientific authors: 2. Name: Moritz Seidenfus Publications: 1. Scientific authors: 2. Orcid: Not set Publications: 1. Scientific authors: 2. Affiliations: 1. Ror: https://ror.org/02kkvpp62 Publications: 1. Scientific authors: 2. Affiliations: 1. Url: https://www.tum.de/ Publications: 1. Scientific authors: 2. Affiliations: 1. Name: Institute of Automotive Technology, Technical University of Munich, Boltzmannstraße15,85748Munich,Germany Publications: 1. Scientific authors: 3. Name: Karim Gordon Publications: 1. Scientific authors: 3. Orcid: Not set Publications: 1. Scientific authors: 3. Affiliations: 1. Ror: https://ror.org/02kkvpp62 Publications: 1. Scientific authors: 3. Affiliations: 1. Url: https://www.tum.de/ Publications: 1. Scientific authors: 3. Affiliations: 1. Name: Institute of Automotive Technology, Technical University of Munich, Boltzmannstraße15,85748Munich,Germany Publications: 1. Scientific authors: 4. Name: Sergio Álvarez Publications: 1. Scientific authors: 4. Orcid: Not set Publications: 1. Scientific authors: 4. Affiliations: 1. Ror: https://ror.org/02kkvpp62 Publications: 1. Scientific authors: 4. Affiliations: 1. Url: https://www.tum.de/ Publications: 1. Scientific authors: 4. Affiliations: 1. Name: Institute of Automotive Technology, Technical University of Munich, Boltzmannstraße15,85748Munich,Germany Publications: 1. Scientific authors: 5. Name: Svenja Kalt Publications: 1. Scientific authors: 5. Orcid: 0000-0002-4261-8517 Publications: 1. Scientific authors: 5. Affiliations: 1. Ror: https://ror.org/02kkvpp62 Publications: 1. Scientific authors: 5. Affiliations: 1. Url: https://www.tum.de/ Publications: 1. Scientific authors: 5. Affiliations: 1. Name: Institute of Automotive Technology, Technical University of Munich, Boltzmannstraße15,85748Munich,Germany Publications: 1. Scientific authors: 6. Name: Markus Lienkamp Publications: 1. Scientific authors: 6. Orcid: Not set Publications: 1. Scientific authors: 6. Affiliations: 1. Ror: https://ror.org/02kkvpp62 Publications: 1. Scientific authors: 6. Affiliations: 1. Url: https://www.tum.de/ Publications: 1. Scientific authors: 6. Affiliations: 1. Name: Institute of Automotive Technology, Technical University of Munich, Boltzmannstraße15,85748Munich,Germany Publications: 1. Citation: Wolff, S., Seidenfus, M., Gordon, K., Álvarez, S., Kalt, S., Lienkamp, M. (2020). Scalable Life-Cycle Inventory for Heavy-Duty Vehicle Production. Sustainability12(13),5396. https://doi.org/10.3390/su12135396 Publications: 1. Relation: primary_source Publications: 1. Source type: scientific_journal Publications: 1. Publication year: 2020	Funding: 1. Project: Url: https://doi.org/10.3390/su12135396 Funding: 1. Project: Name: Wolff et al.(2020) scalable heavy-duty vehicle production source study Funding: 1. Project: Acronym: Not set Funding: 1. Project: Relation: source_study Funding: 1. Project: Grant identifier: Not set Funding: 1. Organization: Ror: https://ror.org/02kkvpp62 Funding: 1. Organization: Url: https://www.tum.de/ Funding: 1. Organization: Name: Institute of Automotive Technology, Technical University of Munich, Boltzmannstraße15,85748Munich,Germany Funding: 1. Award identifier: Not set Evidence: 1. Origin: source_import Evidence: 1. Target field: publications Evidence: 1. Qualification: Append/deduplicate these references within this version. Preserve original_citation/original_doi and reconcile any existing primary source. Model ancestry is not automatically inventory authorship. Evidence: 1. Source location: source Evidence: 1. Source reference: Existing published CLIC inventory documentation Evidence: 2. Origin: editor_verification Evidence: 2. Target field: publications Evidence: 2. Qualification: Append/deduplicate these references within this version. Preserve original_citation/original_doi and reconcile any existing primary source. Model ancestry is not automatically inventory authorship. Evidence: 2. Source location: Publisher-deposited registry /message/title, /message/published and /message/author Evidence: 2. Source reference: https://api.crossref.org/works/10.3390%2Fsu12135396 Evidence: 3. Origin: source_import Evidence: 3. Target field: data_origins Evidence: 3. Qualification: Documented inputs to this compilation/model, not newly measured data. Omitted tags remain unspecified. Literature denotes cited inventory sources. Evidence: 3. Source location: source Evidence: 3. Source reference: Existing published CLIC inventory documentation Evidence: 4. Origin: source_import Evidence: 4. Target field: technology_description Evidence: 4. Qualification: Only this supplied activity is described; whole-paper life-cycle boundaries not copied onto components. Evidence: 4. Source location: description Evidence: 4. Source reference: Existing published CLIC inventory documentation Evidence: 5. Origin: editor_verification Evidence: 5. Target field: publications Evidence: 5. Qualification: Six2020authors at TUM. Paper defines truck component inventories, not regional rail operation. Historical affiliations and inventory contributors remain separate. Evidence: 5. Source location: Publisher XML/PDF byline, affiliations and ORCIDs; explicit source-role review Evidence: 5. Source reference: https://doi.org/10.3390/su12135396 Evidence: 6. Origin: editor_verification Evidence: 6. Target field: methodology_notes Evidence: 6. Qualification: Wolff2020 supplies scalable European heavy-duty tractor component-production inventories from material manufacture through final assembly; vehicle use, fuel supply and end-of-life are excluded. Source software/background are GaBi with ecoinvent3.3/thinkstep6.115(2017), not a replacement for CLIC's profiles. Secondary data, mass models and expert interviews are used;2020 publication does not date every input. This node has reference1kilogram of transmission, for lorry; retain source component normalization, CLIC supplier/process proxies and later corrections separately. Partial source comparison. Dry engine SI mass1140kg differs from printed Table4 total1206kg; native/paper definitions are retained, not blindly renormalized. Cab heat total labelledkWh adds MJ subtotals and printed TableA2 saysMJ; other heatkWh/MJ labels require ancestor verification before any3.6rescaling. Tyre acetylene differs by10between SI and printed table. Natural-gas mass/volume conversion requires reference conditions. Source power-electronics sheet has detailed materials/processing but no declared total normalization; do not sum process solvents into a finished-device mass without justification. No formal Wolff erratum found in scoped checks. Publisher HTML/PDF update dates alone do not establish inventory corrections. Hawkins2013 corrigendum changes EV motor/inverter/charger and additional battery packaging; applicability must be traced to each reused component, not applied across every glider or rail process. Evidence: 6. Source location: Published main/SI member/cell quantities and exact CLIC references Evidence: 6. Source reference: https://doi.org/10.3390/su12135396 Evidence: 7. Origin: editor_verification Evidence: 7. Target field: funding Evidence: 7. Qualification: TUM Institute of Automotive Technology basic research support of Wolff source study; no grant/industry sponsor or CLIC regional-rail/inventory-development funding inferred. Evidence: 7. Source location: Published funding statement Evidence: 7. Source reference: https://doi.org/10.3390/su12135396 Evidence: 8. Origin: editor_verification Evidence: 8. Target field: methodology_notes Evidence: 8. Qualification: Manifest-verified historical decision NB-BOUNDED-2975. Preserve the identified prior repair and its source/profile qualifications. Exact agreement is not blanket approval of every other amount, provider, uncertainty or future version. Original decision rationale: Compose only the source-verified corrections recorded in audit ordinals 25; preserve the remaining curated model, original paired profiles and published history. Original qualification: The individual cited source/proxy and engineering limitations remain binding. No complete-model replacement, performance change, new recovery credit or blanket background migration is authorized. Specific prior repair evidence: Independently parsed original Wolff Transmission.xlsx B7/B3=109.8/366=0.3kg/kg generic aluminium. Historical0.300000011920929 is inherited float32, preserved exactly. Complete before/after parsed workbook comparison establishes that only the aluminium name/product and narrative change; amounts, uncertainty, formula fields and other ingredients/services/buyers remain unchanged. Native AlLi route contains lithium chloride and silver, unsupported by this generic source table. Cast alloy fits a plausible housing material class but is not a measured exact grade, proof of casting, retained pure-Al content or a new primary/recycled split. Supported identity correction, not a full transmission engineering validation. Evidence: 8. Source location: Historical preservation register P013/P014 or scoped H-series review; original encoding and approval boundaries retained Evidence: 8. Source reference: Manifest-verified prior correction/source/migration decisions and exact archive guards Evidence: 9. Origin: editor_verification Evidence: 9. Target field: technology_description Evidence: 9. Qualification: Technical-characterisation review TC-2975. Design capacity: Unspecified. Basis: Own1 kg component-production reference has no configured manufacturing plant/output schedule. Source device ratings, mass/scaling laws, vehicle payload/life and embedded parent FCEV battery profile are not own production capacity, annual output, utilization or equipment life. Re-read source equipment, item, process and vehicle parameters remain scoped separately in the evidence. Evidence classification: source parameter and own manufacturing boundary review. Confidence: high for scope and explicit evidence gap. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan. Evidence: 9. Source location: Original source methods/tables and exact retained manufacturing/intermediate/service reference Evidence: 9. Source reference: https://doi.org/10.3390/su12135396 Evidence: 10. Origin: editor_verification Evidence: 10. Target field: technology_description Evidence: 10. Qualification: Technical-characterisation review TC-2975. Design capacity unit: Unspecified. Basis: Own1 kg component-production reference has no configured manufacturing plant/output schedule. Source device ratings, mass/scaling laws, vehicle payload/life and embedded parent FCEV battery profile are not own production capacity, annual output, utilization or equipment life. Re-read source equipment, item, process and vehicle parameters remain scoped separately in the evidence. Evidence classification: source parameter and own manufacturing boundary review. Confidence: high for scope and explicit evidence gap. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan. Evidence: 10. Source location: Original source methods/tables and exact retained manufacturing/intermediate/service reference Evidence: 10. Source reference: https://doi.org/10.3390/su12135396 Evidence: 11. Origin: editor_verification Evidence: 11. Target field: technology_description Evidence: 11. Qualification: Technical-characterisation review TC-2975. Capacity factor (%): Unspecified. Basis: Own1 kg component-production reference has no configured manufacturing plant/output schedule. Source device ratings, mass/scaling laws, vehicle payload/life and embedded parent FCEV battery profile are not own production capacity, annual output, utilization or equipment life. Re-read source equipment, item, process and vehicle parameters remain scoped separately in the evidence. Evidence classification: source parameter and own manufacturing boundary review. Confidence: high for scope and explicit evidence gap. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan. Evidence: 11. Source location: Original source methods/tables and exact retained manufacturing/intermediate/service reference Evidence: 11. Source reference: https://doi.org/10.3390/su12135396 Evidence: 12. Origin: editor_verification Evidence: 12. Target field: technology_description Evidence: 12. Qualification: Technical-characterisation review TC-2975. Annual production volume: Unspecified. Basis: Own1 kg component-production reference has no configured manufacturing plant/output schedule. Source device ratings, mass/scaling laws, vehicle payload/life and embedded parent FCEV battery profile are not own production capacity, annual output, utilization or equipment life. Re-read source equipment, item, process and vehicle parameters remain scoped separately in the evidence. Evidence classification: source parameter and own manufacturing boundary review. Confidence: high for scope and explicit evidence gap. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan. Evidence: 12. Source location: Original source methods/tables and exact retained manufacturing/intermediate/service reference Evidence: 12. Source reference: https://doi.org/10.3390/su12135396 Evidence: 13. Origin: editor_verification Evidence: 13. Target field: technology_description Evidence: 13. Qualification: Technical-characterisation review TC-2975. Annual production volume unit: Unspecified. Basis: Own1 kg component-production reference has no configured manufacturing plant/output schedule. Source device ratings, mass/scaling laws, vehicle payload/life and embedded parent FCEV battery profile are not own production capacity, annual output, utilization or equipment life. Re-read source equipment, item, process and vehicle parameters remain scoped separately in the evidence. Evidence classification: source parameter and own manufacturing boundary review. Confidence: high for scope and explicit evidence gap. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan. Evidence: 13. Source location: Original source methods/tables and exact retained manufacturing/intermediate/service reference Evidence: 13. Source reference: https://doi.org/10.3390/su12135396 Evidence: 14. Origin: editor_verification Evidence: 14. Target field: technology_description Evidence: 14. Qualification: Technical-characterisation review TC-2975. Annual production volume year: Unspecified. Basis: Own1 kg component-production reference has no configured manufacturing plant/output schedule. Source device ratings, mass/scaling laws, vehicle payload/life and embedded parent FCEV battery profile are not own production capacity, annual output, utilization or equipment life. Re-read source equipment, item, process and vehicle parameters remain scoped separately in the evidence. Evidence classification: source parameter and own manufacturing boundary review. Confidence: high for scope and explicit evidence gap. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan. Evidence: 14. Source location: Original source methods/tables and exact retained manufacturing/intermediate/service reference Evidence: 14. Source reference: https://doi.org/10.3390/su12135396 Evidence: 15. Origin: editor_verification Evidence: 15. Target field: technology_description Evidence: 15. Qualification: Technical-characterisation review TC-2975. Plant or represented-asset lifetime (years): Unspecified. Basis: Own1 kg component-production reference has no configured manufacturing plant/output schedule. Source device ratings, mass/scaling laws, vehicle payload/life and embedded parent FCEV battery profile are not own production capacity, annual output, utilization or equipment life. Re-read source equipment, item, process and vehicle parameters remain scoped separately in the evidence. Evidence classification: source parameter and own manufacturing boundary review. Confidence: high for scope and explicit evidence gap. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan. Evidence: 15. Source location: Original source methods/tables and exact retained manufacturing/intermediate/service reference Evidence: 15. Source reference: https://doi.org/10.3390/su12135396 Evidence: 16. Origin: editor_verification Evidence: 16. Target field: technology_description Evidence: 16. Qualification: Technical-characterisation review TC-2975. Commercial maturity stage: mature_commercial. Basis: Curator assessment of the established underlying industrial manufacturing or processing class. It is not an author-assigned numerical TRL, a whole-vehicle/tank readiness claim or certification of exact retained recipe and omitted-flow closure. The approved editorial process boundary controls the interpretation of the historical dataset name. Evidence classification: source scope and explicit curator assessment. Confidence: medium curator judgement. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan. Evidence: 16. Source location: Original methods and inventories; independently retained editorial process boundary Evidence: 16. Source reference: https://doi.org/10.3390/su12135396 Evidence: 17. Origin: editor_verification Evidence: 17. Target field: technology_description Evidence: 17. Qualification: Technical-characterisation review TC-2975. Technology readiness level: 9. Basis: Curator assessment of the established underlying industrial manufacturing or processing class. It is not an author-assigned numerical TRL, a whole-vehicle/tank readiness claim or certification of exact retained recipe and omitted-flow closure. The approved editorial process boundary controls the interpretation of the historical dataset name. Evidence classification: source scope and explicit curator assessment. Confidence: medium curator judgement. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan. Evidence: 17. Source location: Original methods and inventories; independently retained editorial process boundary Evidence: 17. Source reference: https://doi.org/10.3390/su12135396 Evidence: 18. Origin: editor_verification Evidence: 18. Target field: technology_description Evidence: 18. Qualification: Technical-characterisation review TC-2975. Technological representativeness: 3. Basis: Curator assessment of scalable/transferred source materials and process proxies. Detailed local grouped-stage, gas/solvent/precursor/liner normalization and omission limitations justify score 4 where present; isolated source agreement does not certify the whole chain. Evidence classification: source scope and explicit curator assessment. Confidence: medium curator judgement. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan. Evidence: 18. Source location: Original methods and inventories; independently retained editorial process boundary Evidence: 18. Source reference: https://doi.org/10.3390/su12135396 Evidence: 19. Origin: editor_verification Evidence: 19. Target field: technology_description Evidence: 19. Qualification: Technical-characterisation review TC-2975. Geographical representativeness: 3. Basis: Curator score 3 for transferred European/German source and background assumptions; regional labels are not a measured local factory sample or verified equivalent supplier profiles. Evidence classification: source scope and explicit curator assessment. Confidence: medium curator judgement. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan. Evidence: 19. Source location: Original methods and inventories; independently retained editorial process boundary Evidence: 19. Source reference: https://doi.org/10.3390/su12135396 Evidence: 20. Origin: editor_verification Evidence: 20. Target field: technology_description Evidence: 20. Qualification: Technical-characterisation review TC-2975. Temporal representativeness: 4. Basis: Older technical/material inventories and manufacturer reports are combined in the 2020 publication. Neither publication year, later compiler generation nor inactive parent-vehicle assumptions establish component production vintage or an observed annual output year. Curator score 4 records that mixed historical/model scope. Evidence classification: source scope and explicit curator assessment. Confidence: medium curator judgement. A retained model value is not a measured observation or industrial certification. Source-specific assumptions and detailed technical parameters accompany this plan. Evidence: 20. Source location: Original methods and inventories; independently retained editorial process boundary Evidence: 20. Source reference: https://doi.org/10.3390/su12135396 Projects: 1. Url: https://doi.org/10.3390/su12135396 Projects: 1. Name: Wolff et al.(2020) scalable heavy-duty vehicle production source study Projects: 1. Acronym: Not set Projects: 1. Relation: source_study Projects: 1. Grant identifier: Not set Publications: 1. Doi: 10.3390/su12135396 Publications: 1. Url: https://doi.org/10.3390/su12135396 Publications: 1. Title: Scalable Life-Cycle Inventory for Heavy-Duty Vehicle Production Publications: 1. Scientific authors: 1. Name: Sebastian Wolff Publications: 1. Scientific authors: 1. Orcid: 0000-0001-6937-3313 Publications: 1. Scientific authors: 1. Affiliations: 1. Ror: https://ror.org/02kkvpp62 Publications: 1. Scientific authors: 1. Affiliations: 1. Url: https://www.tum.de/ Publications: 1. Scientific authors: 1. Affiliations: 1. Name: Institute of Automotive Technology, Technical University of Munich, Boltzmannstraße15,85748Munich,Germany Publications: 1. Scientific authors: 2. Name: Moritz Seidenfus Publications: 1. Scientific authors: 2. Orcid: Not set Publications: 1. Scientific authors: 2. Affiliations: 1. Ror: https://ror.org/02kkvpp62 Publications: 1. Scientific authors: 2. Affiliations: 1. Url: https://www.tum.de/ Publications: 1. Scientific authors: 2. Affiliations: 1. Name: Institute of Automotive Technology, Technical University of Munich, Boltzmannstraße15,85748Munich,Germany Publications: 1. Scientific authors: 3. Name: Karim Gordon Publications: 1. Scientific authors: 3. Orcid: Not set Publications: 1. Scientific authors: 3. Affiliations: 1. Ror: https://ror.org/02kkvpp62 Publications: 1. Scientific authors: 3. Affiliations: 1. Url: https://www.tum.de/ Publications: 1. Scientific authors: 3. Affiliations: 1. Name: Institute of Automotive Technology, Technical University of Munich, Boltzmannstraße15,85748Munich,Germany Publications: 1. Scientific authors: 4. Name: Sergio Álvarez Publications: 1. Scientific authors: 4. Orcid: Not set Publications: 1. Scientific authors: 4. Affiliations: 1. Ror: https://ror.org/02kkvpp62 Publications: 1. Scientific authors: 4. Affiliations: 1. Url: https://www.tum.de/ Publications: 1. Scientific authors: 4. Affiliations: 1. Name: Institute of Automotive Technology, Technical University of Munich, Boltzmannstraße15,85748Munich,Germany Publications: 1. Scientific authors: 5. Name: Svenja Kalt Publications: 1. Scientific authors: 5. Orcid: 0000-0002-4261-8517 Publications: 1. Scientific authors: 5. Affiliations: 1. Ror: https://ror.org/02kkvpp62 Publications: 1. Scientific authors: 5. Affiliations: 1. Url: https://www.tum.de/ Publications: 1. Scientific authors: 5. Affiliations: 1. Name: Institute of Automotive Technology, Technical University of Munich, Boltzmannstraße15,85748Munich,Germany Publications: 1. Scientific authors: 6. Name: Markus Lienkamp Publications: 1. Scientific authors: 6. Orcid: Not set Publications: 1. Scientific authors: 6. Affiliations: 1. Ror: https://ror.org/02kkvpp62 Publications: 1. Scientific authors: 6. Affiliations: 1. Url: https://www.tum.de/ Publications: 1. Scientific authors: 6. Affiliations: 1. Name: Institute of Automotive Technology, Technical University of Munich, Boltzmannstraße15,85748Munich,Germany Publications: 1. Citation: Wolff, S., Seidenfus, M., Gordon, K., Álvarez, S., Kalt, S., Lienkamp, M. (2020). Scalable Life-Cycle Inventory for Heavy-Duty Vehicle Production. Sustainability12(13),5396. https://doi.org/10.3390/su12135396 Publications: 1. Relation: primary_source Publications: 1. Source type: scientific_journal Publications: 1. Publication year: 2020
Version metadata	System boundary	Component-production reference, derived from the truck study's cradle-to-gate inventory. Linked supplier manufacturing, direct emissions and disposal/replacement overlap require separate reconciliation.	The recorded transmission material provision and manufacturing/service inputs per kilogram declared reference. Vehicle operation, fuel supply and whole-vehicle retirement are separate.
Version metadata	Technological representativeness	2	3
Version metadata	Technology description	Wolff2020 supplies scalable European heavy-duty tractor component-production inventories from material manufacture through final assembly; vehicle use, fuel supply and end-of-life are excluded. Source software/background are GaBi with ecoinvent3.3/thinkstep6.115(2017), not a replacement for CLIC's profiles. Secondary data, mass models and expert interviews are used;2020 publication does not date every input. This node has reference1kilogram of transmission, for lorry; retain source component normalization, CLIC supplier/process proxies and later corrections separately.	Steel, cast aluminium, phenolic resin and synthetic rubber are combined with metal working, electricity and the recorded energy-supply reference. This component mass does not independently specify power transmission or operational losses.
Version metadata	Technology readiness level	8	9
Version metadata	Temporal representativeness	2	4
Version metadata	Limitations on use	Partial source comparison. Dry engine SI mass1140kg differs from printed Table4 total1206kg; native/paper definitions are retained, not blindly renormalized. Cab heat total labelledkWh adds MJ subtotals and printed TableA2 saysMJ; other heatkWh/MJ labels require ancestor verification before any3.6rescaling. Tyre acetylene differs by10between SI and printed table. Natural-gas mass/volume conversion requires reference conditions. Source power-electronics sheet has detailed materials/processing but no declared total normalization; do not sum process solvents into a finished-device mass without justification. No formal Wolff erratum found in scoped checks. Publisher HTML/PDF update dates alone do not establish inventory corrections. Hawkins2013 corrigendum changes EV motor/inverter/charger and additional battery packaging; applicability must be traced to each reused component, not applied across every glider or rail process.	Component scope Source mass normalization and CLIC material/processing suppliers do not establish every alloy, manufacturing yield or complete present industrial design. Evidence and amendments Recorded scoped checks did not establish a formal Wolff erratum; publisher web/PDF update dates do not themselves establish inventory corrections. Hawkins (2013) has a corrigendum affecting EV motor/inverter/charger and battery packaging. Its applicability must be traced to the specific reused component rather than propagated to every glider or rail process. Source and compiler heat units, gas reference conditions, supplier proxies and uncertainty retain their documented qualifications.
Version metadata	Description	This dataset represents the transmission, for lorry used in the scalable, component-based heavy-duty vehicle inventory of Wolff et al. (2020). That study combines primary and secondary data to compare life-cycle impacts of internal-combustion, hybrid, battery-electric, and fuel-cell trucks. This activity should therefore be interpreted as a foreground vehicle-production subassembly within truck manufacture rather than as a generic standalone market dataset. Source review: Wolff2020 supplies scalable European heavy-duty tractor component-production inventories from material manufacture through final assembly; vehicle use, fuel supply and end-of-life are excluded. Source software/background are GaBi with ecoinvent3.3/thinkstep6.115(2017), not a replacement for CLIC's profiles. Secondary data, mass models and expert interviews are used;2020 publication does not date every input. This node has reference1kilogram of transmission, for lorry; retain source component normalization, CLIC supplier/process proxies and later corrections separately.	Manufacturing model for 1 kg of lorry transmission.	Remove the superseded model parameter and source blocks from the current process description. The current model reference, process information and scientific qualifications are retained. Remove the leading editorial instructions and audit identifiers.
Version metadata	Intended application	Not set	Per-mass transmission provision in an explicit lorry assembly model, retaining current supplier and process adaptations.	Apply reviewed discovery metadata and change explanations from the curated release.

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transmission, for lorry

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