The U.S. shale natural gas landscape is difficult to duplicate because of its unique advantages, industry experts said. However, in an effort to promote hydraulic fracturing, the European Union is looking to harmonize shale drilling standards, said Environment Commissioner Janez Potocnik. "Our objective is to put in place a framework that would reap the potential economic and energy benefits of shale gas, and ensure that extraction activities using fracking are carried out with proper climate and environmental safeguards," he added.

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