D.C. Circuit Ruling Complicates States’ Efforts To Meet Ozone Standards

January 29, 2021
A federals appeals court is scrapping key provisions of EPA’s rule for how states should implement ozone national ambient air quality standards (NAAQS) including emissions trading and “contingency” air pollution control measures, creating major new complications for states that were already struggling with plans to meet the NAAQS. In a Jan. 29 unanimous opinion for the U.S. Court of Appeals for the District of Columbia Circuit in Sierra Club, et al. v. EPA , written by Judge David Tatel on...

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