Swap Your Conventional Light Bulbs for LEDs at No Charge! | Sustainability | Washington University in St. Louis
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Lighting Choices to Save You Money | Department of Energy
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Tis the Season for Switching to Energy Efficient Light Bulbs | 401(e) Home Energy Service
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Energy Efficient Light Bulbs: Why LED Light Bulbs Are a Must-Have - Attainable Home
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Shedding New Light on the U.S. Energy Efficiency Standards For Everyday Light Bulbs - uSaveLED
The Best Energy-efficient Light Bulbs for Your Home
Ultra energy-efficient LED with 50-year lifespan set to hit shelves
