Transportation and electric power are 38% and 33% of co2 emissions in the US respectively.
https://www.cbo.gov/sites/default/files/images/full-reports/2022/58566-fig1_emissions-sector.png
Passenger vehicles are 58% of co2 emissions of all transportation in the US.
https://www.cbo.gov/sites/default/files/images/full-reports/2022/58566-fig4_emissions-type.png
Electricity generation breaks down as: Petroleum (crude oil and natural gas plant liquids): 28% Coal: 17.8% Renewable energy: 12.7% Nuclear electric power: 9.6% .