15 companies that will change the world - Cree (14) - Business 2.0:
"Cree -
Sure, compact fluorescent lightbulbs are energy savers, but they also contain mercury. Cree is the leading maker of light-emitting diodes, which are less hazardous and even more energy-efficient. Toronto and Raleigh, N.C., are already installing Cree LEDs in streetlamps and parking garages."
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