Frequently Asked Questions

What are the greenhouse gas and air pollutant emissions factors for fuels and electricity?

The U.S. Energy Information Administration (EIA) publishes emission factors (or coefficients) for the amounts of certain gases that are released when fuels are burned and for when electricity is generated. EIA publishes factors for carbon dioxide (CO2), sulfur dioxide (SO2), and nitrogen oxides (NOx).

Factors for the combustion of fossil fuels:

Factors for electricity generation:

The U.S. Environmental Protection Agency can be used as resource to find emission factors for other substances and fuels.

Learn more:
How much carbon dioxide is produced per kilowatthour when generating electricity with fossil fuels?

Last updated: May 10, 2017


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