Lightbulbs are synonymous with bright ideas — in cartoons, at any rate. But compact fluorescent bulbs can also be a small, yet brilliant, step toward energy efficiency. The Department of Energy says ...

Hybrid bulbs, the kind being made by Deposition Sciences Inc., are too expensive to pay for themselves at the moment, says an editor at Consumer Reports magazine, which put compact fluorescent bulbs ...

Almost every news story about global warming recommends that consumers switch from incandescent light bulbs to more efficient compact fluorescent light bulbs, or CFLs. But are CFLs really that good ...

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I get that we have to let incandescents go, but the chilly, shrill light of their replacements doesn’t compare. By Pamela Paul New efficiency rules, more than a decade in the making, have taken effect ...