SUGAR LAND--October 10, 2016--Written by John Egan for Industrial Info Resources (Sugar Land, Texas)--A two-unit, 1,700-megawatt (MW) coal-fired power plant operated by the Arkansas affiliate of Entergy Corporation (NYSE:ETR) (New Orleans, Louisiana) is at the center of a dispute between Arkansas and the U.S. Environmental Protection Agency (EPA) (Washington, D.C.) as federal officials work to improve visibility in federal Class 1 areas in Arkansas and Missouri. The EPA said its Federal Improvement Plan (FIP) would lower emissions of sulfur dioxide (SO2) by 68,500 tons per year. Emissions of oxides of nitrogen (NOx) would be cut by 15,100 tons annually.