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Energy-Efficient Light Bulbs: 4 Ways To Tell If It's Efficient
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Consider energy efficient lightbulbs in your home?
Why Is LED Lighting More Efficient? | REenergizeCO | Denver
Shining a light on energy saving bulbs
Brighten nights with energy-saving bulbs - Greenability Magazine
Energy-Efficient Lighting
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LED vs. CFL Bulbs: Which Is More Energy-Efficient?
Do Energy Efficient Light Bulbs Save Money? — 1000Bulbs.com Blog
Switch to LED Light Bulbs, Save Big on Energy | Direct Energy
Comparison of Energy-Efficient Bulbs | DelMarFans.com | DelMarFans.com
4 Types of Light Bulbs: Which is More Energy Efficient
Ultra energy-efficient LED with 50-year lifespan set to hit shelves
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