In the US it looks like electricity production (25%) is a little less than transportation (28%). Commercial and residential show as 13%. https://www.epa.gov/gh

In the US it looks like electricity production (25%) is a little less than transportation (28%). Commercial and residential show as 13%. https://www.epa.gov/ghgemissions/sources-greenhouse-gas-emissions https://www.epa.gov/ghgemissions/sources-greenhouse-gas-emis...