State regulators said Duke Energy, a utility already under a federal investigation for pollution, may have illegally released wastewater last week from a second site upriver of Raleigh. Continued: Questions as More Wastewater Flows in North Carolina ; ;Related ArticlesEmails Link Duke Energy and North CarolinaNational Briefing | South: North Carolina: Utilities Board Chair Is Subpoenaed in Coal Ash InquiryU.S. Agrees to Allow BP Back Into Gulf Waters to Seek Oil ;
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