You can no longer buy most types of incandescent light bulbs in U.S. stores, after an energy efficiency rule from 2007 went into effect on Tuesday, 16 years later. The 2007 Energy Independence and ...
Electric light bulbs had been around for decades by the 1870s. Most demonstration systems used arc lamps, which seemed far too bright and burned much too hot for indoor household use. In 1878, Thomas ...
The U.S. Department of Energy is banning the sale of energy inefficient light bulbs beginning Aug. 1, 2023. Given that incandescent and halogen light bulbs are far less energy efficient than LED light ...
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