They've had a good long run, 134 years, but come January most screw-in incandescent ... LEDs and CFLs are light-years ahead of earlier versions. Standard 60- and 40-watt bulbs are the last to ...
That's when manufacturers will stop producing 60-watt and 40-watt ... warm light. However, halogens use up to 28 percent less energy than ordinary incandescents: a 100-watt replacement bulb ...
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