 Light-emitting diodes manufactured by Cree are more energy-efficient.
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.
|  Editor-at-Large Erick Schonfeld discovers startups with the potential to overturn existing industries or open up entirely new markets. (more)  With companies developing innovative ways to fight global warming, Cree founder John Edmond describes how LED lights are poised to change the way we see things. (more)  |
