Energy-Efficient or a Pain in the Bulb?

Their spiral design is a symbol of "going green," the movement to make homes and living more energy-efficient. And sales of compact fluorescent lights, or CFLs, are booming: They made up 20 percent of the U.S. light bulb market in 2007, the Environmental Protection Agency says, up from 11 percent a year earlier. Sales probably will continue rising as traditional incandescent bulbs begin disappearing from stores because of Congress' mandate that light bulbs be at least 25 percent more efficient...Full Story
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