40 C.F.R. § Table W-7 to Subpart W of Part 98

Current through September 30, 2024

Appendix Table W-7 to Subpart W of Part 98 - [Effective 1/1/2025] 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

40 C.F.R. §Table W-7 to Subpart W of Part 98

76 FR 80594, Dec. 23, 2011

89 FR 42327, 1/1/2025