Greenhouse Gas Emissions by Transportation Mode: 2016

percent of Tg CO₂ Eq.
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Notes:

Percents may not add to 100 due to rounding. Does not include International Bunker Fuels.

Key: GHG = greenhouse gas. Tg CO₂ Eq. = teragrams of carbon dioxide equivalent. A teragram = 1 million metric tons.

Sources:

U.S. Environmental Protection Agency, Inventory of U.S. Greenhouse Gas Emissions and Sinks, report tables available at https://www.epa.gov/ghgemissions/inventory-us-greenhouse-gas-emissions-and-sinks.

Last Updated: April 2018