Just a few years ago, living off the grid conjured up images of tiny cabins in the middle of nowhere. Today, the dream of average American homeowners powering their homes with alternative energies is coming true. Solar panels on your neighbor’s roof are no longer an oddity, and electric cars are less of a curiosity and more of an everyday sight. It’s not hard to imagine a time when wind turbines in the backyard will be commonplace and geothermal heating an expected utility in all new homes.
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