EPA Rule Undone: Congress Eases Polluter Limits Overnight
Published Date: 1/2/2026
Rule
Summary
The EPA is undoing a 2024 rule that made some big polluters keep stricter pollution limits even if they got reclassified as smaller sources. Thanks to Congress and the President, the old 2020 rules are back in charge starting January 2, 2026. This change mainly affects companies handling certain hazardous pollutants, easing their compliance rules and possibly saving them money and hassle.
Analyzed Economic Effects
2 provisions identified: 2 benefits, 0 costs, 0 mixed.
Estimated $935.8M regulatory savings
The EPA estimates the present value (PV) of regulatory cost savings beginning in 2025 is $935.8 million (in 2024 dollars, discounted to 2024) using a 7% discount rate, with an equivalent annual value (EAV) of $65.5 million (in 2024 dollars). These are EPA's aggregated estimated cost savings tied to removing the 2024 Rule.
Easier reclassification for major HAP sources
The EPA is undoing the 2024 change and restoring the November 19, 2020 rule so that major sources of hazardous air pollutants (HAP) can reclassify as area sources and avoid remaining subject to major-source NESHAP in many cases. The 2024 Rule had required sources for seven specific persistent and bioaccumulative HAP to stay under major-source standards; that requirement is removed effective January 2, 2026, which eases compliance and may save regulated companies money and paperwork.
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