So you and your wife are going green? You can try a Prius and plug it in … to a coal-supply.
Your miles-per-gallon footprint will go down, but your miles-per-pound footprint will go up ( as in pounds of coal ).
And if coal is destructive as is gasoline, how is an electric car helpful? UNLESS, of course, you have a wind turbine on the top of your garage!
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Good point…and part of the problem I think. Most people are too busy and/or disinterested to tease out these energy input/output equations. Driving a Prius is a conspicuous was of easing our collective guilt perhaps? – I’m thinking of getting one for my next vehicle by the way