A customer looks at a display of televisions in a Best Buy store in San Francisco. California state regulators are currently considering ways to reduce the power consumption of flat-panel televisions. Justin Sullivan/Getty Images hide caption

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Questions Linger Over Energy Star Ratings

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Thinking Of New Windows? Save Your Energy

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Search For Green Power On And Off Of The Grid

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How Green Are Reusable Bags?

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Critics Say 'Clunkers' Program Isn't Very Green

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