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LAKE BILLY CHINOOK, Oregon -- Before power lines, people had no choice. They used lanterns, lit fires for warmth and packed away winter ice against hot summers.
But now, a growing number of Americans are shunning power lines, choosing to live off the grid, without commercial power -- and still enjoying their computers and large-screen televisions.
In the 250-home Oregon community of Three Rivers, everyone gets most of their power from solar panels on their rooftops or on nearby structures positioned t
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