40 C.F.R. Table NN-1 to Subpart NN of Part 98

Default Factors for Calculation Methodology 1 of This Subpart

Last amended: 2017Year: 2026Length: 60 wordsOfficial source

Cite as 40 C.F.R. Table NN-1 to Subpart NN of Part 98 (2026)

Fuel Default higher heating value 1 Default CO2 emission factor (kg CO2/MMBtu) Natural Gas 1.026 MMBtu/Mscf 53.06 Propane 3.84 MMBtu/bbl 62.87 Normal butane 4.34 MMBtu/bbl 64.77 Ethane 2.85 MMBtu/bbl 59.60 Isobutane 4.16 MMBtu/bbl 64.94 Pentanes plus 4.62 MMBtu/bbl 70.02 1 Conditions for higher heating values presented in MMBtu/bbl are 60 °F and saturation pressure. [78 FR 71977, Nov. 29, 2013]
40 C.F.R. Table NN-1 to Subpart NN of Part 98: Default Factors for Calculation Methodology 1 of This Subpart | Justis AI