Congress moves to restore EPA air-quality rules rolled back in 2025

What it does

This bill directs the EPA to reinstate environmental protections that were rolled back or weakened since January 2025, including rules on greenhouse gas emissions from power plants and vehicles, methane pollution from oil and gas, mercury standards, and air quality rules. It also restores the EPA's scientific advisory boards, requires the agency to use peer-reviewed science and the social cost of carbon in decisions, funds enforcement, restores environmental justice programs, and allows citizens to sue if the EPA fails to comply.

Why we flagged it

The bill's operative mechanism is to reverse deregulatory actions and reinstate pre-2025 EPA protections across multiple air-quality and emissions domains. It is fundamentally a restoration statute, not a new regulatory initiative.

What the text implies

• The bill's reinstatement of the 'endangerment finding' for greenhouse gases under Clean Air Act §202(a) restores the legal foundation for federal vehicle and power-plant emissions limits; this may trigger litigation from regulated industries challenging the finding itself, not just the standards.
• Requirement to use a $190/ton social cost of carbon (2020 dollars) in all greenhouse-gas rulemakings will substantially increase estimated compliance costs in regulatory impact analyses, potentially blocking or narrowing future deregulatory proposals and strengthening the case for stricter standards.
• Private right of action (§7) with attorney's fees creates a new enforcement mechanism outside the Administrative Procedure Act; environmental groups and affected communities can sue directly to compel EPA compliance, bypassing traditional notice-and-comment and judicial-review timelines.
• Environmental justice provisions (§6) require cumulative-impacts analysis and annual health-disparity reporting; this creates a new transparency and accountability layer that may expose disparities in permitting and enforcement, potentially triggering state/local policy changes.
• Authorization of $10.99 billion for EPA enforcement (§5(c)) is contingent on appropriations; if Congress does not fund it, the mandate to reinstate protections may be hollow, creating a gap between statutory duty and operational capacity.

Section numbers refer to the bill text the analysis read — linked under Primary records below.

Who it affects

The bill restores air-quality and emissions protections that directly reduce exposure to particulate matter, mercury, greenhouse gases, and other pollutants linked to respiratory disease, cardiovascular harm, and premature death. It prioritizes enforcement in overburdened communities and requires public health impact assessments, strengthening accountability and transparency.

Named in the bill

Environmental Protection Agency (EPA), Clean Air Act, Science Advisory Board, Clean Air Scientific Advisory Committee, Code of Federal Regulations (CFR) Title 40, Subpart TTTT (greenhouse gas emissions from electric generating units), Subparts OOOOb and OOOOc (methane and VOC from oil and gas), Subpart UUUUU (mercury and air toxics standard), Part 98 (greenhouse gas reporting program), Part 63 (hazardous air pollutants), Parts 50, 53, 58 (ambient air quality standards for PM 2.5), Parts 86, 1036, 1037, 1039, 1054, 1065 (vehicle emissions standards)

Where it stands

4 cosponsors: 4 Democrats.

• Sep 17, 2026 — Introduced · Congress.gov: “Introduced in House”
• Sep 17, 2026 — Referred to House Committee on Science, Space, and Technology and House Committee on Natural Resources · Congress.gov: “Referred to the Committee on Energy and Commerce, and in addition to the Committees on Transportation and…”

Dates and quoted wording are Congress.gov's action record; the timeline shows status changes, not every procedural step.