Regulatory Tracker Petroleum Refinery Sector Rule (NESHAPs / NSPS) The Biden EPA amended the 2015 standards for refineries. On Mar. 12, the Trump administration slated these standards for rollback. March 12, 2025
Regulatory Tracker Air Transport Rules: Cross-State Air Pollution Rule/Good Neighbor Plan Rule The Clean Air Act’s “Good Neighbor” provision requires upwind states to ensure that their instate sources do not contribute to downwind states’ attainment of the NAAQS. On Mar. 12, 2025, EPA announced its plan to roll back the Biden Administration’s Good Neighbor Plan, which the Supreme Court stayed in June 2024. March 12, 2025
Regulatory Tracker The Social Cost of Greenhouse Gases (Carbon Dioxide, Methane, Nitrous Oxide) President Trump disbanded the interagency working group on the social cost of greenhouse gases, withdrew the working group’s guidance documents, and ordered agencies to use emissions estimates from the 2003 version of OMB’s Circular A-4. He also directed EPA to review how and whether the social cost of carbon should be used. March 12, 2025
Regulatory Tracker Power Plant Effluent Limits The Biden EPA strengthened final effluent limits for wastewater discharges from steam power plants in May 2024. The Trump EPA slated the rule for rollback. March 12, 2025
Federal Environmental Justice Tracker Rollback: EPA Eliminated Office of Environmental Justice and External Civil Rights, EJ Regional Divisions March 11, 2025
Federal Environmental Justice Tracker Rollback: DOJ Dismissed Suit Against Chemical Company Denka for Alleged Violations of Clean Air Act in Louisiana’s “Cancer Alley” March 7, 2025
Regulatory Tracker Bristol Bay and the Pebble Mine The Biden EPA issued a Clean Water Act determination that blocked the Pebble Mine, finding the project would significantly impact the Bristol Bay watershed. A court granted the Trump DOJ’s request to stay litigation challenging that determination. February 14, 2025
Regulatory Tracker Once In Always In Guidance for Major Sources under the Clean Air Act The Biden EPA rule requires facilities that reclassify from major sources of hazardous air pollutants to area sources to remain subject to the major source standards for 7 pollutants. February 6, 2025
Federal Environmental Justice Tracker Rollback: DOJ Terminated First-Ever Office of Environmental Justice, Rescinded Joint EJ Enforcement Strategy with EPA February 5, 2025
