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EPA Rule Resolves Cross-State Pollution Dispute, Agency Says

May 3, 2021, 5:00 PM

The Environmental Protection Agency issued a revised air pollution rule in response to a lawsuit by environmental groups over ozone pollution that drifts across state lines, the agency told a Washington, D.C., federal court.

The final rule comes after the U.S. Court of Appeals for the D.C. Circuit found the EPA’s Cross-State Air Pollution Rule update improperly allowed states to continue contributing to downwind ozone pollution. This issue affected downwind states that were trying to meet air quality standards by a certain deadline.

Of the 21 states at issue, nine don’t significantly contribute to a continuing downwind nonattainment problem, according ...

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