US gas resources increased to 2,170 Tcf in 2010, an 89 nTcf gain since 2008 that experts say was driven by improved nshale exploration and extraction techniques, according to an assessment the Potential Gas Committee released last week.nHowever, gas companies still face an uphill battle con-nvincing consumers that ample supply and stable prices are nhere to stay after years of gas price volatility, one industry nofficial involved in the report said.
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