Court stays suits over aircraft PM limits

February 9, 2023
A federal appeals court has granted states’ and environmentalists’ request to stay their lawsuit challenging EPA’s rule setting particulate matter (PM) limits for aircraft, pending the outcome of similar litigation over greenhouse gas standards for the sector. In a brief Feb. 7 per curiam order, the U.S. Court of Appeals for the District of Columbia Circuit granted abeyance in the recently filed suit , Center for Biological Diversity, et al v. EPA, et al , until the court rules...


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