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When the solar-powered wheels hit the road
When the solar-powered wheels hit the road

Chances are you've noticed more electric vehicles heading down the freeway, parking at work or driving through your neighborhood in 2014 than in the past. And that's not your imagination playing tricks on you. This year California -- which has about 40% of the nation's total electric vehicle sales -- became the first state with more than 100,000 electric cars and plug-in hybrids on the road. And if you stopped by these drivers' homes, you'd find that about 32% of them have solar power systems installed on their rooftops. And for good reason: Studies show that charging an electric vehicle at home can increase energy consumption by 35% on average. Solar energy can help...

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