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"WASHINGTON &amp;#x2014; President Barack Obama&amp;#x2019;s choice to lead the Energy Department pledged to increase use of natural gas Tuesday as a way to combat climate change even as the nation seeks to..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.observer-reporter.com/article/20130409/NEWS0801/130409290/0/FRONTPAGE>