Have you ever questioned the rationale behind going green.  Much of it doesn’t make sense.   Here’s a very interesting and thoughtful message —   
What is a battery?' I think Tesla said it best when they called it an Energy Storage System. That's important.  
[b]They do not make electricity – they store electricity [i]produced elsewhere, primarily by coal, uranium, natural gas-powered plants, or diesel-fueled generators.  So, to say an EV (Electric Vehicle) is a zero-emission vehicle is