Courier-Journal: With co-authors from Harvard University, the team found air quality in Kentucky and the Ohio River Valley potentially stands to gain the most from the proposed EPA action. That's because some of the region's coal-fired power plants could be replaced by natural gas or other cleaner sources, Driscoll said.
Kentucky ranked first for potential decreases in average annual and summer peak ozone levels, and ninth in potential reduction in fine particle pollution, or soot, while Indiana ranked 5th and...