CO2 from different fossil fuels
Pounds of CO2 emitted per million British thermal units of energy for various fuels
Coal (anthracite)
228.6
Coal (bituminous)
205.7
Coal (lignite)
215.4
Coal (subbituminous)
214.3
Diesel fuel and heating oil
161.3
Gasoline (without ethanol)
157.2
Propane
139
Natural gas
117