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Natural gas: friend or foe?
Natural gas: friend or foe?

Consultants such as Black & Veatch believe gas could produce 40% of U.S. power by 2035. The fuel has government support -- President Obama mentioned natural gas as part of the country's clean energy strategy in his State of the Union.

But the price of methane -- now hovering around $4 per million BTUs -- is a making green energy competitors sweat. Many fear that the low price will make solar farms unattractive, enabling gas companies to soak up any available incentives.

NEXT: The biofuel renaissance
Last updated May 18 2011: 2:50 PM ET
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