Frequently Asked Questions
What are the sources of energy-related carbon dioxide emissions by type of fuel for the U.S. and the world?
The energy-related carbon dioxide emissions by type of fossil fuel and the amount in million metric tons, and by percent share in 2010:
| United States | World | |||
| Amount | Share of Total | Amount | Share of Total | |
| Total from Fossil Fuels | 5,610 | 31,780 | ||
| Coal | 1,985 | 36% | 14,231 | 42% |
| Natural Gas1 | 1,274 | 22% | 6,374 | 22% |
| Petroleum | 2,351 | 42% | 11,175 | 37% |
1Includes combustion and flaring of natural gas.
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Last reviewed: September 6, 2012
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