Energy efficiency – Replace lamps with more energy efficient ones
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Consider energy efficient lightbulbs in your home?
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Energy Efficient Lighting – Savings in Energy Costs & CO2 Emissions
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Energy-Efficient Lighting
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Comparing Energy-Efficient Light Bulbs: LED, CFL and Halogens
Do energy-efficient bulbs save money at Batteries Plus
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How do energy saving light bulbs work? | Live Science
Message to Warren: The Light-Bulb Revolution Teaches that Energy Efficiency Doesn't Mean Sacrifice
