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SAE J3341 (AUG2026)

Carbon Footprint Methodologies for Light-Duty Vehicles

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SAE J3341 (AUG2026)

Carbon Footprint Methodologies for Light-Duty Vehicles

PUBLISH DATE 2026
SAE J3341 (AUG2026)

This Disclosure Addendum will provide recommended disclosures and a standardized scenario for life cycle assessment (LCA) studies which:

  • Include the midpoint impact category, climate change, via the impact indicator, global warming potential over a 100-year time frame (GWP 100), hereby referred to as greenhouse gas (GHG) emissions
  • Adhere to ISO 14040 and ISO14044 standards
  • Follow the cut-off approach for allocation per ISO14067:2018
  • Are conducted for light-duty vehicles (LDVs) with the following powertrains:
  • Internal Combustion Engine
  • Hybrid Electric
  • Plug-in Hybrid Electric and Extended-Range Electric
  • Battery Electric

These types of studies may also be referred to as a carbon footprint study or automotive LCA (A-LCA).

SDO SAE: SAE International
Document Number J3341
Publication Date Aug. 24, 2026
Language en - English
Page Count 17
Revision Level 202608
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