Emission Factor

Methane - non fossil (CH4)

28kgCO2e/kg

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Emission factor summary

The Methane - non fossil GWP should be used for combustion emissions and biogenic methane emissions. It does not include the oxidation to CO2 effect as the carbon at issue is either deemed not to be a net addition to the carbon cycle (i.e. of biogenic origin) or already accounted for in CO2 emissions from the same source. Retrieved from the 2025 GHG Emission Factors Hub (xlsx) file published by the US EPA at the source URL.

PropertyValue
NameMethane - non fossil (CH4)
SectorRefrigerants and Fugitive Gases
CategoryRefrigerants and Fugitive Gases
SourceEPA
Source Dataset2025 GHG Emission Factors Hub
Region
Unit Type
Year
2014
Year Released
2025
Emission Factor
  • CO2e28kg/kg
  • CO20 kg/kg
  • CH41 kg/kg
  • N2O0 kg/kg
  • CO2e of other gases0 kg/kg
LCA Activity
fugitive_release
CO2e Calculation Origin
Source
CO2e Calculation Method
AR5
Supported CO2e Calculation Method
AR5
Data Versioning
  • Status: Current

API Reference

Activity ID
fugitive_gas-type_methane_non_fossil
UUID
716514cf-9f53-44a9-af18-86a780ef2d0c
Code Snippet
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