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A gasoline-powered generator can supply electricity to a remote U.S. Marine outpost in Afghanistan, powering everything from laptops to communications equipment. And the noise from that generator can be a dead giveaway to Taliban forces searching for Americans. So when Marines tout the effectiveness of quiet, solar-powered generators, it's not because they feel all warm and fuzzy about Earth Day.
Senator Warner and Northern Virginia Congressman Jim Moran celebrated the expansion of the Virginia-based energy efficiency company Opower. Opower – the brainchild of two college buddies -- works with energy companies and social networks to help customers increase energy productivity and reduce energy bills.