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Table MM-2 to Subpart MM of Part 98—Default Factors for Biomass-Based Fuels and Biomass

Default Factors for Biomass-Based Fuels and Biomass

  1. CFR
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  3. Title 40
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  5. Chapter I
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  7. Part 98
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  9. Subpart MM
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  11. Appendix Table MM-2 to Subpart MM of Part 98
CorpusDaily eCFR
Displayed edition2026-04-15
Last updated2026-04-15

Table MM-2 to Subpart MM of Part 98—Default Factors for Biomass-Based Fuels and Biomass

Biomass-based fuel and biomassColumn A:

Density

(metric tons/bbl)		Column B: Carbon share

(% of mass)		Column C:

Emission factor

(metric tons CO2/bbl)
Ethanol (100%)0.126752.140.2422
Biodiesel (100%, methyl ester)0.139677.300.3957
Rendered Animal Fat0.133376.190.3724
Vegetable Oil0.146076.770.4110