United States Department of Transportation

U.S. Carbon Dioxide Emissions from Energy Consumption 1975-2022

Figure

Pie chart showing transportation’s greenhouse gas emissions by gas in 2021. Carbon dioxide makes up most transportation greenhouse gas emissions at 97.3 percent followed by hydrofluorocarbons at 1.7 percent, nitrous oxide at 0.6 percent, carbon dioxide from electricity generation at 0.3 percent, and methane at 0.1 percent.

Dataset Excel:

F6-14-US-Carbon-Dioxide-Emissions-from-Energy-Consumption-1975-2022.xlsx (29.56 KB)

Publications:

Transportation Statistics Annual Report Figure 6-14