Fuel | Unit | Default CO2 emission factor (MT CO2/Unit)1 |
Natural 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 |
1 Conditions for emission value presented in MT CO2/bbl are 60 °F and saturation pressure.
40 C.F.R. 98 app Table NN-2 to Subpart NN of Part 98