WTAE PittsburghCourt Orders EPA to Redo Air-Pollution Limits in 13 StatesABC NewsA federal appeals court on Tuesday ordered the Environmental Protection Agency to relax some limits it set on smokestack emissions that cross state lines and taint downwind areas with air pollution from power plants. At the same time, the court upheld ...Federal court rejects EPA cross-state air pollution rulesThe HillUPDATE 2-US court upholds bulk of Obama air pollution regulationReuters UKall 22 news articles »