Spurred by U.S. government regulations requiring improved lighting efficiency by 2012, researchers around the country are successfully turning the old, energy-burning incandescent bulb into a more efficient source of light. The New York Times reports that one company has already succeeding in producing incandescent bulbs that are 30 percent more efficient than older bulbs, which produce far more heat than light. The new generation of incandescent bulbs still does not match the efficiency of compact fluorescent light bulbs, which use 75 percent less energy than old-style bulbs. But researchers say incandescent bulbs might one day become as energy-efficient as compact fluorescent bulbs by using new filaments and reflective coatings that bounce heat back onto the filament and convert that heat into light. The new incandescent bulbs are expensive, but researchers say that as efficiency improves and prices decline, the bulbs will be embraced by people who prefer the quality of incandescent light to fluorescent light.
Incandescent Light Bulbs Live on in New, More Efficient Form
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