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Philips LED's most energy-efficient A-class bulbs | Signify Company Website
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Comparison of Energy-Efficient Bulbs | DelMarFans.com | DelMarFans.com
Energy-Efficient Lightbulbs May Have Dark Side When It Comes To Health : Shots - Health News : NPR
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NanoLight - The world's most energy efficient lightbulb! by Gimmy Chu, Tom Rodinger, Christian Yan — Kickstarter
CFL vs. LED: an illuminating look at energy-efficient light bulbs | Advanced Insurance Solutions in Hershey, PA
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Energy-Efficient Light Bulbs - What Are Your Options? - PPN Environmental
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Do energy-efficient bulbs save money at Batteries Plus
The Characteristics Of Energy-Efficient Light Bulbs
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Regular Light Bulbs vs LED Light Bulbs | Neeeco | MA
What Is The Most Energy Efficient Light Bulb? - LampHQ
LED vs. CFL Bulbs: Which Is More Energy-Efficient?
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6 Energy-Efficient Light Bulbs That Actually Look Good: 2018 | The Strategist
LED vs. CFL Bulbs: Which Is More Energy-Efficient?
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