| Energy source | Conversion factor (Tg CO2 eq per trillion Btu) | Notes Teragram (Tg) is a weight measurement which equals 1012 grams. |
| Net electricity | 0.075 | Energy bought and generated, minus energy sold offsite. Factor is a midrange value, since fuel type used for generation is unspecified. |
| Residual fuel oil | 0.0788 |
|
| Distillate fuel oil | 0.0732 | Nos. 1, 2, and 4 fuel oils and Nos. 1, 2, and 4 diesel fuels. |
| Natural gas | 0.0531 |
|
| LPG and NGL | 0.0623 | Examples include: ethane, ethylene, propane, propylene, normal butane, butylene, ethane-propane mixtures, propane-butane mixtures, and isobutene. |
| Coal | 0.0940 |
|
| Coke and Breeze | 0.0937 |
|
| Other | 0.075 | Includes net steam, and feedstocks. Factor is a midrange value. |
| Shipments of Energy Sources Produced On Site | 0.075 | Shipments to other sites of material to be used as fuel. This quantity is subtracted from the others, to avoid double counting. Factor is a midrange value. |