Making the World a Better Place with Energy Efficient Lighting
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MIT's new warm incandescent light bulb is nearly 3x more efficient than LEDs
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Energy-Efficient Light Bulbs - What Are Your Options? - PPN Environmental
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Energy-efficient lighting | What is the cheapest energy? The energy that is not used! | Learn | En | Maison ERE 132 - Bâtir, c'est choisir! Vitrine d'excellence en écoconstruction
A guide to choosing energy saving light bulbs - Saga
LED vs. CFL Bulbs: Which Is More Energy-Efficient?
Message to Warren: The Light-Bulb Revolution Teaches that Energy Efficiency Doesn't Mean Sacrifice
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Light Bulb Types: What's the Difference? | N.C. Cooperative Extension
