Frequently Asked Questions

What are the sources of energy-related carbon dioxide emissions by type of fuel for the United States and the world?

The energy-related carbon dioxide emissions (CO2) by type of fossil fuel in million metric tons and share of total in 2012:

 

  United States World
  Amount Share of total Amount Share of total
Total from fossil fuels 5,270   32,723  
Coal 1,656 31% 14,229 43%
Natural gas1 1,374 26% 6,799 21%
Petroleum 2,240 43% 11,695 36%

1Includes combustion and flaring of natural gas.

Learn more:

International energy statistics: Carbon dioxide emissions from the consumption of energy

Last updated: February 2, 2015


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