Most of the gains in fuel economy are the results of reducing the weight of vehicles
That is not the case. When they add the batteries EVs are heavier than gas cars.
America's new weight problem: Electric cars - CNET
http://www.cnet.com › roadshow › news › americas-new-weight-problem-electric-cars
I have also been reading articles about how parking structures will have to be re-built or at least reduced in capacity if EVs ever catch on.
nacl