Despite an outcry from U.S. conservatives that new lighting efficiency standards infringe on personal freedom, legislation mandating greater efficiency became law on January 1. Those new standards, along with major progress in lighting research and development, are helping usher in a technological revolution: Lighting companies — both large and small, in the U.S. and abroad — are rapidly building a better light bulb.
The incandescent bulbs that have lit the world since their invention by Thomas Edison are on their way out, to be replaced by newer technologies offering dramatic improvements in efficiency, energy use, and other environmental impacts.
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