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L.E.D. There Be Light | KQED
Do energy-efficient bulbs save money at Batteries Plus
Signify cuts energy consumption by 60% on LED bulbs | LEDs Magazine
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How to save energy resources? Start by replacing the light bulb! - PU "UFEES"
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Honeywell 60-Watt Equivalent A19 Non-Dimmable Energy Saving LED Light Bulb Soft White (8 per Box) A196021HQ800 - The Home Depot
Swap Your Conventional Light Bulbs for LEDs at No Charge! | Sustainability | Washington University in St. Louis
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