Steam billows from a smokestack of Duke Energy’s Allen power plant in Belmont, N.C.
Steam billows from a smokestack of Duke Energy’s Allen power plant in Belmont, N.C. JOHN D. SIMMONS jsimmons@charlotteobserver.com
Steam billows from a smokestack of Duke Energy’s Allen power plant in Belmont, N.C. JOHN D. SIMMONS jsimmons@charlotteobserver.com

EPA settles Clean Air Act case with NC energy firm

September 10, 2015 01:20 PM

UPDATED September 10, 2015 03:40 PM

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