Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter C - Air Programs |
Part 98 - Mandatory Greenhouse Gas Reporting |
Subpart NN - Suppliers of Natural Gas and Natural Gas Liquids |
Table NN-2 to Subpart NN of Part 98 - Default Factors for Calculation Methodology 2 of This Subpart
Latest version.
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Table NN-2 to Subpart NN of Part 98 - Default Factors for Calculation Methodology 2 of This Subpart
Fuel Unit Default CO2 emission factor
(MT CO2/Unit)1Natural Gas Mscf 0.0544 Propane Barrel 0.241 Normal butane Barrel 0.281 Ethane Barrel 0.170 Isobutane Barrel 0.270 Pentanes plus Barrel 0.324 [78 FR 71977, Nov. 29, 2013, as amended at 79 FR 3508, Jan. 22, 2014; 81 FR 89270, Dec. 9, 2016]