I think it's also worth mentioning that the EPA rating of the Tesla is 0. So the 479 g/mi for the Cherokee is just the emissions. So - Model S CO2 = 0 (EPA)

I think it's also worth mentioning that the EPA rating of the Tesla is 0. So the 479 g/mi for the Cherokee is just the emissions. So - Model S CO2 = 0 (EPA) + 292 (other factors) - Cherokee CO2 = 479 (EPA) + ? (other factors) Those other factors aren't going to be zero for the Cherokee