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"It's a little strange crowning a \"winner\" when only a single company enters the contest, but that's exactly what happened during the L Prize celebration in August of last year. Philips was the only outfit to take the US Department of Energy up on its offer, earning some $10 million to develop what might go down as the most radically designed, wildly expensive bulb your table lamp has ever seen. That said, the victorious bulb is a big fan of Ma Earth (and her of him), using just 10 watts of energy while outputting light similar to that of a 60 watt incandescent. It'll hit retailers like Home Depot this Sunday (Earth Day) for around $50 a pop, while some utility companies may subsidize 'em in an effort to hit the magical $20 price point. Hey, no one said saving energy would be remotely affordable, right?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2012/04/17/philips-l-prize-winning-light-bulb-goes-on-sale-earth-day/>