Transportation shares of total CO₂ emissions in the U.S. 2022, by state
Transportation accounted for 50 percent or more of total energy-related carbon dioxide emissions in nine U.S. states in 2022. Transportation was responsible for 56 percent of California's total CO₂ emissions from energy consumption in 2022. California is the second-largest contributor to U.S. transportation emissions, behind Texas. Although Texas had the highest transportation-related emissions in the U.S. in 2022, they only accounted for 33 percent of the state's total energy-related CO₂ emissions that year.
