Senate votes to overturn EPA rule that limits 7 hazardous air pollutants

Source: CBS News

May 1, 2025 / 11:13 PM EDT


The Senate on Thursday approved an effort to overturn an Environmental Protection Agency rule tied to the Clean Air Act and designed to limit seven of the most hazardous air pollutants that are emitted by heavy industry. The 52-46 party-line vote marked the first time in the 55-year history of the Clean Air Act that Congress has moved to weaken the power of the landmark environmental law.

Senate Republicans utilized the Congressional Review Act to overturn the regulation, which was passed by the Biden administration in 2024. The joint resolution now goes to the Republican-led House, where it also expected to pass. The rule tied to the Clean Air Act was finalized last year to close a loophole that required all "major" sources of seven hazardous air pollutants to reduce their emissions by the maximum achievable amount, a policy called "Once in, Always In."

The rule requires that industrial facilities — often chemical plants, oil refineries, and other industrial factories classified as "major" sources of toxic air pollution — always maintain strict pollution controls. Even if they comply and limit those pollution levels, those facilities would always be labeled "major" sources under the rule.

The Trump Administration had killed the rule in President Trump's first term, but the EPA, under former President Joe Biden, finalized and updated it last September. The environmental advocacy group Earthjustice has said that the rule forced 1,800 facilities across the country to tighten air pollution controls to comply with the law.

Read more: https://www.cbsnews.com/news/senate-votes-to-overturn-epa-rule-limits-7-hazardous-air-pollutants-clean-air-act/