“The Interior Department is expected to issue long-awaited regulations for “fracking” on public lands as early as Thursday, according to industry officials closely following the rules.
   The regulations mark the latest effort by the Obama administration to exert more federal oversight over hydraulic fracturing, or fracking, the drilling technique that has helped usher in the natural gas boom, but has also raised environmental concerns. But the regulations — combined with recent Environmental Protection Agency rules aimed at cutting air pollution that results from fracking — could be politically treacherous for Obama going into the election.”

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