The only thing in that article that helps the environment is the fact electric vehicles do not need oil changes. Regenitive brake captures energy that has all been expended instead of wasting it to heat (brakes) but this comes at a cost of efficiency. The truth is most of our electric energy comes from fossil fuels. There are many losses get the energy to your home. Also batteries are only about 85% efficient. I am not sure of the exact numbers but the fact this is never mentioned tells me it may not be worth it at this time except if alternate energy is being used.
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