'Smart' power meters herald future of our electricity use
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A new Smart Meter is seen at the home of Darrell Brubaker in Elizabethtown, Pa., Thursday, March 20, 2008. Brubaker saved money almost every month, up to about 6 percent off his regular electric bill, after volunteering for a PPL Corp. pilot program made possible by a "smart" meter. (AP Photo/Carolyn Kaster)
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