2014-05-08

Oakland Retrofits 30,000 Street Lights with GE’s Evolve LED Roadway Fixtures

Oakland, Calif., is committed to energy efficiency and has been named one of America’s greenest cities. Its decision was natural to upgrade more than 30,000 street lights to GE’s Evolve™ LED Roadway Scalable Cobrahead fixtures—a move that will save this West Coast port city more than $1.4 million in annual energy and maintenance costs.
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For three decades, white LEDs have depended on rare earth materials such as yttrium aluminum garnet (YAG) layered onto a blue LED chip (Figure 1). Seoul Viosys Co., Ltd. (KOSDAQ: 092190) today announced that it has broken that dependence. It h... READ MORE

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