40 C.F.R. Table MM-2 to Subpart MM of Part 98
Default Factors for Biomass-Based Fuels and Biomass
Cite as 40 C.F.R. Table MM-2 to Subpart MM of Part 98 (2026)
Biomass-based fuel and biomass Column A: Density (metric tons/bbl) Column B: Carbon share (% of mass) Column C: Emission factor (metric tons CO 2 /bbl) Ethanol (100%) 0.1267 52.14 0.2422 Biodiesel (100%, methyl ester) 0.1396 77.30 0.3957 Rendered Animal Fat 0.1333 76.19 0.3724 Vegetable Oil 0.1460 76.77 0.4110