The U.S. Supreme Court blocked an Environmental Protection Agency regulation aimed at reducing ozone emissions that may worsen air pollution in neighboring states, handing a victory on Thursday to three Republican-led states and the steel and fossil-fuel industries that had challenged the rule.
The 5-4 decision granted requests by Ohio, Indiana and West Virginia, as well as U.S. Steel Corp, pipeline operator Kinder Morgan and industry groups, to halt enforcement of the EPA’s “Good Neighbor” plan restricting oz