StacksVerified U.S. regulatory reference

40 CFR Part 98, Table MM-2

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
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)0.139677.30.3957
Rendered Animal Fat0.133376.190.3724
Vegetable Oil0.14676.770.411