Meet the L Prize winner
This Philips bulb won the Department of Energy contest that sought an affordable, energy-saving alternative to a 60-watt incandescent. The bulb is indisputably energy-efficient but costs $50. Read related article.
Sources: Department of Energy, Philips Corp., Pepco, HowStuffWorks.com.
This is a corrected version of a graphic that appeared in the paper on March 9. Graphic: Bonnie Berkowitz and Patterson Clark/The Washington Post.
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