EPA, Pennsylvania Clash Over ‘Reasonable’ Power Plant Ozone Controls

EPA and Pennsylvania are clashing over the agency’s powers to disapprove state ozone controls for power plants and instead impose its own limits, in litigation with potential significance for the Northeast and Mid-Atlantic regions that have struggled to reduce high ozone levels in coastal cities because of transported interstate pollution. In recent briefs filed with the U.S. Court of Appeals for the 3rd Circuit, EPA and Pennsylvania stake out contrasting positions on the agency’s right to impose its interpretation of...