There are contradictory reports [1] about that. In general, it looks like even in the dirtiest states, driving an electric car is about as efficient as a 40mpg

There are contradictory reports [1] about that. In general, it looks like even in the dirtiest states, driving an electric car is about as efficient as a 40mpg car. The argument also goes that electricity generation only gets greener so your electric car actually pollutes less over its lifetime, unlike a conventional gasoline powered car. 1: http://www.ucsusa.org/clean-vehicles/electric-vehicles/life-cycle-ev-emissions http://www.ucsusa.org/clean-vehicles/electric-vehicles/life-...