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Frequently Asked Questions

What are U.S. energy-related carbon dioxide emissions by source and sector?

Total U.S. energy-related carbon dioxide (CO2) emissions were 5,268 million metric tons in 2018.

Energy-related carbon dioxide (CO2) emissions by source and sector for the United States, 2018 (million metric tons)
 ResidentialCommercialIndustrialTransportationElectric powerSource total
Coal0210701,1501,259
Natural gas274191538
465811,630
Petroleum6560
3571,866212,369
Other1    1111
Electricity26796384424  
Sector total1,018
8911,4441,9151,7635,268

1 Emissions from combustion of waste materials derived from petroleum and from some types of geothermal power plants.
2 Electricity-related CO2 emissions are based on electric power sector electricity sales to the other sectors and the emissions associated with the generation of that electricity.
Note: Sum of data in columns and rows may not equal the totals because of independent rounding.
Source: Monthly Energy Review, April 2019, preliminary data

Learn more:
Historical and most recent available U.S. energy-related CO2 emissions by source and sector
Energy Explained: Where Greenhouse Gases Come From

Last updated: May 15, 2019


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