In 2022, gasoline-powered passenger cars in the United States released 356 million metric tons of carbon dioxide equivalent (MtCO₂e), compared with 2.7 MtCO₂e released by diesel-powered passenger cars. This significant difference is because gasoline-powered cars are far more common in the U.S. than diesel-powered cars. This is also the case for light-duty vehicles and motorcycles. In comparison, emissions from medium and heavy-duty trucks and buses are predominantly produced by diesel engines.
Carbon dioxide emissions from road transport in the United States in 2022, by vehicle and fuel type
(in million metric tons of CO₂ equivalent)
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Environmental Protection Agency. (April 11, 2024). Carbon dioxide emissions from road transport in the United States in 2022, by vehicle and fuel type (in million metric tons of CO₂ equivalent) [Graph]. In Statista. Retrieved February 18, 2025, from https://www.statista.com/statistics/1305852/us-road-transportation-co2-emissions-by-vehicle-fuel-type/?__sso_cookie_checker=failed
Environmental Protection Agency. "Carbon dioxide emissions from road transport in the United States in 2022, by vehicle and fuel type (in million metric tons of CO₂ equivalent)." Chart. April 11, 2024. Statista. Accessed February 18, 2025. https://www.statista.com/statistics/1305852/us-road-transportation-co2-emissions-by-vehicle-fuel-type/?__sso_cookie_checker=failed
Environmental Protection Agency. (2024). Carbon dioxide emissions from road transport in the United States in 2022, by vehicle and fuel type (in million metric tons of CO₂ equivalent). Statista. Statista Inc.. Accessed: February 18, 2025. https://www.statista.com/statistics/1305852/us-road-transportation-co2-emissions-by-vehicle-fuel-type/?__sso_cookie_checker=failed
Environmental Protection Agency. "Carbon Dioxide Emissions from Road Transport in The United States in 2022, by Vehicle and Fuel Type (in Million Metric Tons of Co₂ Equivalent)." Statista, Statista Inc., 11 Apr 2024, https://www.statista.com/statistics/1305852/us-road-transportation-co2-emissions-by-vehicle-fuel-type/?__sso_cookie_checker=failed
Environmental Protection Agency, Carbon dioxide emissions from road transport in the United States in 2022, by vehicle and fuel type (in million metric tons of CO₂ equivalent) Statista, https://www.statista.com/statistics/1305852/us-road-transportation-co2-emissions-by-vehicle-fuel-type/?__sso_cookie_checker=failed (last visited February 18, 2025)
Carbon dioxide emissions from road transport in the United States in 2022, by vehicle and fuel type (in million metric tons of CO₂ equivalent) [Graph], Environmental Protection Agency, April 11, 2024. [Online]. Available: https://www.statista.com/statistics/1305852/us-road-transportation-co2-emissions-by-vehicle-fuel-type/?__sso_cookie_checker=failed