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03/18/2010 05:12 am ET | Updated May 25, 2011

LED Traffic Lights Potentially Dangerous In Snow

The new lighting is part of a fast-growing trend in environmentalism. LED bulbs use less energy, last longer and are more visible than their predecessors. They are also known to require less maintenance. But they do not emit nearly as much heat as conventional bulbs, allowing snow and ice to accumulate more easily in certain conditions.

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