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"The U.S. Energy Department said last week natural gas production could rise 1.7 percent from its 2012 level to 70.4 billion cubic feet per day next year."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cheatsheet.com/expert-2/iea-says-coal-is-still-the-fuel-of-choice.html/>