Associated Press: Federal regulators are requiring new pollution controls at Utahs oldest coal-fired power plants to reduce haze near national parks. The Environmental Protection Agency announced Wednesday it would require new equipment to reduce nitrogen oxide emissions at Rocky Mountain Powers Hunter and Huntington power plants in Emery County. Environmental and clean air groups cheered the EPAs decision, which the agency said would clear haze near eastern Utahs Arches and Canyonlands national parks, in addition...