Powerful LED-based train headlight optimized for energy savings Researchers have designed a new LED-based train headlight that uses a tenth of the energy required for headlights using conventional light sources. If operated 8 hours every day, the electricity savings of the new design would reduce emissions of the greenhouse gas carbon dioxide by about 152 kilograms per year. http://ift.tt/eA8V8J
Tuesday, 13 February 2018
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# Latest Science News -- ScienceDaily
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