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Ultra energy-efficient LED with 50-year lifespan set to hit shelves
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Switch to LED Light Bulbs, Save Big on Energy | Direct Energy
Maine Residential Energy Efficient Lighting Solutions | Efficiency Maine
Maine Residential Energy Efficient Lighting Solutions | Efficiency Maine
New Energy Label for LED Lamps: What you need to know
Simpler EU energy labels for lighting products
Use lighting efficiently | Sustainability Victoria
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Energy Efficient Light Bulbs | Green Homes Illinois | Peoria & Dunlap
Comparison of Energy-Efficient Bulbs | DelMarFans.com | DelMarFans.com
Learn About LED Lighting | ENERGY STAR
LED Lighting Efficiency | How Energy Efficient are LED bulbs
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LED bulb efficiency expected to continue improving as cost declines - U.S. Energy Information Administration (EIA)
New Energy Efficiency Standards for Lightbulbs: What You Need to Know | Department of Energy
