Replacing a light bulb used to be simple. But now that old models of incandescent bulbs have been phased out, we’re swamped with choices. How do we know whether to buy an LED, CFL, or halogen ...
Soraa, the Khosla Ventures-backed startup that uses the semiconductor gallium nitride rather than sapphire in its LED and laser technology, came out of stealth mode Tuesday and unveiled its flagship ...
The Energy Independence and Security Act of 2007 requires most screw-in lightbulbs to use at least 27 percent less energy by 2014. CFLs, LEDs, and some halogen bulbs, a type of incandescent, meet that ...
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