Electric cars and coal: a reasonable doubt?

Yes, but not enough to make EVs a dirty choice, says CNN Money:

Ever since electric cars began commanding headlines a few years back, some have questioned whether the vehicles are really better for the environment. Typical arguments look more or less like this one posted by a Facebook user in response to a CNNMoney.com story: "What is the point of the plug-in when electricity has a carbon footprint since it's generated mostly by coal?"

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