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"A U.S. industry group is touting the benefits of natural gas, including the controversial process known as &amp;quot;fracking&amp;quot; or hydraulic fracturing."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Business_News/Energy-Industry/2011/07/07/Shale-gass-role-in-US-energy-future-debated/UPI-18391310049119/?rel=98231312375994>