07 Sep '12, 4pm

LED bulb technology widening the gap in energy efficiency, @PNNLNews reports says

07 Sep 2012: LED Bulbs Widening Gap In Energy Efficiency, Report Says While today’s light-emitting diode (LED) bulbs are slightly better for the environment than compact fluorescent lamps, the energy efficiency gap will widen over the next five years as the technology and manufacturing methods of LEDs improve, according to a new report. In an analysis of the impacts of the light technologies in 15 categories — including the energy and resources required to manufacture, operate, and dispose of the bulbs — researchers at the U.S. Department of Energy’s Pacific Northwest National Laboratory found that CFLs caused slightly more environmental harm than existing LED technologies in all but one of the areas studied. The one exception, they said, was hazardous waste generation because existing LEDs utilize a component, called a heat sink, which requires mining, refining, and proce...

Full article: http://e360.yale.edu/digest/led_bulbs_widening_gap_in_ene...

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