Depends on the area. In my state, over 60% of production at night is from wind. I have solar at home and so I charge my car during the day. Besides, the averag

Depends on the area. In my state, over 60% of production at night is from wind. I have solar at home and so I charge my car during the day. Besides, the average emissions per kWh of a large power plant is significantly lesser than several thousand smaller ICEs due to basic thermodynamics.