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Philips' L Prize-winning light bulb goes on sale Sunday, priced between $20 and $60

Darren Murph

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?

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