Environmentalists sue EPA over interstate ozone petition denials

A coalition of nine environmental groups is joining Maryland in suing EPA over its denial of Clean Air Act petitions from Maryland and Delaware asking the agency to curb interstate emissions that contribute to excessive ozone levels on the East Coast, claiming the denial is at odds with an air law mandate to curb pollution in downwind states. The suit challenging the Oct. 5 final denial of the petitions was filed Oct. 19 in the U.S. Court of Appeals for...