EPA Expands States' Ozone NAAQS Waivers But Avoids Key Legal Question

EPA's final rule for how states should implement the 2015 ozone national ambient air quality standard (NAAQS) expands their ability to cite international emissions as a reason to waive some emissions control requirements, but the regulation sidesteps key legal questions on weakening air pollution controls raised by an appeals court's ruling. Acting EPA Administrator Andrew Wheeler signed the rule on Nov. 7 ahead of its future publication in the Federal Register , finalizing a proposal the Obama administration floated in...