CO2 Emission factors
CO2 Emission factors
CO2 emission per calorie varies by the type of fossil fuel. The per calorie emission of oil is smaller than that of coal, and that of natural gas is smaller than that of oil.
| Fossil fuels | CO2 emission factors |
|---|---|
| Coal | |
| Hard coal | 1.122 |
| Oil | |
| Crude oil | 0.837 |
| Gasoline | 0.791 |
| Kerosene | 0.821 |
| Diesel | 0.846 |
| Natural gas | |
| 0.641 | |
unit）tC/toe（ton of carbon eq／ton of oil eq.）
Source）International Energy Agency（IEA）
