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Energy-Efficient Lighting
Energy Efficient Light Bulbs Archives - Legend Lighting - Austin, Texas
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Swap Your Conventional Light Bulbs for LEDs at No Charge! | Sustainability | Washington University in St. Louis
LED Technologies: How it Revolutionized the World
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What Today's Lighting Efficiency Proposal Is And What It Isn't | Department of Energy
L.E.D. There Be Light | KQED
LED Light Bulb Energy Calculator: Watts and kWh
Lighting Comparison: LED vs Incandescent Lighting
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Incandescent light bulb - Wikipedia
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Message to Warren: The Light-Bulb Revolution Teaches that Energy Efficiency Doesn't Mean Sacrifice
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LED vs. CFL Bulbs: Which Is More Energy-Efficient?
Lighting your way to energy efficiency | Wright-Hennepin
