Will Plug-in Cars Crash the Electric Grid?

Spacemart: Selecting a Chevy Volt, Tesla Model S, Nissan Leaf - or one of many other new models - shoppers in the United States bought more than 96,000 plug-in electric cars in 2013. That's a tiny slice of the auto market, but it's up eighty-four percent from the year before. In Vermont, as of January 2014, there were 679 plug-in vehicles, according to the Vermont Energy Investment Corporation. That's two hundred percent growth over 2013.

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