This bill would repeal Section 304 of the Clean Air Act, which currently allows citizens to sue the federal government and private parties for violating air quality standards and regulations. The legislation eliminates the "citizen suit" provision that has long enabled individuals and environmental groups to enforce clean air requirements when they believe the government or companies are not complying with the law. The bill also makes numerous conforming changes throughout the Clean Air Act and related laws to remove references to Section 304 and adjust related provisions accordingly. The measure contains no new funding or specific implementation timeline and was introduced by Senator Lee in October 2025, then referred to the Senate Committee on Environment and Public Works for consideration.
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