40 CFR Appendix Table W-7 to Subpart W of Part 98 - Default Methane Emission Factors for Internal Combustion Equipment

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Table W-7 to Subpart W of Part 98—Default Methane Emission Factors for Internal Combustion Equipment
Internal combustion
equipment type 		Emission
factor
(kg CH 4/mmBtu)
Reciprocating Engine, 2-stroke lean-burn 0.658
Reciprocating Engine, 4-stroke lean-burn 0.522
Reciprocating Engine, 4-stroke rich-burn 0.045
Gas Turbine 0.004
[89 FR 42327, May 14, 2024]