Kim: Some people claim that the battery-powered electric car represents a potential solution to the problem of air pollution  But they forget that it takes electricity to recharge batteries and that most of our electricity is generated by burning polluting fossil fuels  Increasing the number of electric cars on the road would require building more generating facilities since current facilities are operating at maximum capacity
So even if all of the gasoline-powered cars on the roads today were replaced by electric cars, it would at best be an exchange of one source of fossil-fuel pollution for another
replacing gasoline-powered cars with battery- powered electric cars will require building more generating facilities