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The ENERGY STAR® Change a Light, Change the World campaign is a national challenge during October and November to encourage every American to change out old, incandescent bulbs for new, compact fluorescent lamps (CFLs) that have earned the ENERGY STAR® designation.


compact fluorescent lamp

The ENERGY STAR® Change a Light, Change the World campaign is a national challenge during October and November to encourage every American to change out old, incandescent bulbs for new, compact fluorescent lamps (CFLs) that have earned the ENERGY STAR® designation.