Portland, Ore. — Light bulbs create more heat than light. But a professor at Rensselaer Polytechnic Institute (Troy, N.Y.) has invented a 99 percent efficient, omnidirectional reflector that he claims ...

Consumers looking for the most efficient, functional and cost-effective lighting have more choices -- and information -- to sift through than ever before. Thanks to a new study, choosing an LED ...

LED technology has come a long way in the last five years, and in 2020 there are a bunch of brands selling well-made, well-engineered LED replacements for your car's old halogen headlight bulbs.

We may receive a commission on purchases made from links. Switching to LED light bulbs from traditional incandescent bulbs has been a major benefit in practical ways and ways you may not have thought ...

Solar panels and wind turbines get a lot of attention, but a more inconspicuous instrument is helping to reshape America’s energy economy right now: The humble light bulb. Over the past decade, ...