10/14/2013

Hydraulic fracturing has helped energy producers tap billions of barrels of oil and natural gas that were previously inaccessible, an XTO Energy executive said in a University of Houston debate. The supplanting of coal by natural gas through the drilling technique has also helped cut greenhouse-gas emissions, said Paul Krishna, the environmental health and safety manager for XTO Energy. Krishna added that the industry must continue to improve understanding of related air-quality concerns.

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