Shopper’s Guide to Compact Fluorescent Light Bulbs

Resolving to save money? And the planet? Compact fluorescent light (CFL) bulbs promise a win-win: according to the industry and U.S. government’s Energy Star program, which promotes CFL bulbs and other substitutes for energy-hogging incandescents, a CFL uses 75 percent less energy than its incandescent counterpart, lasts up to 10 times longer and prevents more than 450 pounds of greenhouse gas emissions from entering the atmosphere.