VIDEO: 3 Cheers for Electric Cars

More electric vehicles are hitting the road than ever before. Here are three reasons why.
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INFOGRAPHIC: What is a Lumen?

Lumens measure how much light is given off by a bulb. Learn how many lumens you need in your home.
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What Makes Energy-Efficient Appliances More Efficient?

You know that high performance appliances use less energy, but how did they get that way?
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