EPA issues final rule to 'close-out' CSAPR

EPA has issued its final rule to “close-out” the Obama-era Cross-State Air Pollution Rule (CSAPR) interstate air trading program, after finding that its 2016 update to CSAPR satisfies a Clean Air Act “good neighbor” mandate for upwind states to reduce emissions hindering downwind states' ability to attain federal air standards. In the final rule released Dec. 6 ahead of its publication in the Federal Register , EPA says that CSAPR has over the last few years helped in significantly cutting...