How good are electric vehicles for the environment, as far as actually reducing pollution? It's a difficult thing to calculate, but a new report indicates that within cities it can certainly be beneficial. Outside of cities, its less clear, and the whole thing depends largely on the way that electricity is generated (well, duh). Plenty of data for both sides of the argument to chew on.
One thing that keeps coming to my mind is the process of manufacturing and transporting the many batteries used in these vehicles; from what I understand, it can be a pretty "dirty" process - maybe that can be an area to look at in the future.
ArsTechnicaThe analysis uses some quite complicated formulae to calculate the damages that result from emissions per mile from 11 different battery EVs on sale in 2014, compared to the closest internal combustion engine-powered equivalent, independent of price.