LED vs CFL Bulbs: Which Is Most Energy Efficient? | Perch Energy
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LED vs. CFL Bulbs: Which Is More Energy-Efficient?
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4Pc 75 W CFL Fluorescent Light Bulbs Compact 33 Watts Daylight White Energy New - Amazon.com
G.E. to Phase Out CFL Bulbs - The New York Times
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New Energy Efficiency Standards for Lightbulbs: What You Need to Know | Department of Energy
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Compact fluorescent lights - Appropedia, the sustainability wiki
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