🌍EPA Defers Sanctions
The Environmental Protection Agency (EPA) is making an interim final determination that the State of Alaska has submitted state implementation plan (SIP) revisions that satisfy outstanding Clean Air Act requirements. This interim final determination defers the imposition of sanctions for the 2006 24-hour fine particulate matter (PM<INF>2.5</INF>) Fairbanks North Star Borough PM<INF>2.5</INF> nonattainment area. This determination is based on a proposed approval, published in the "Proposed Rules" section of this Federal Register, of the SIP revisions, submitted by the State of Alaska (Alaska or the State) on December 4, 2024, to address Clean Air Act requirements for the 2006 24-hour PM<INF>2.5</INF> national ambient air quality standards (NAAQS).
Learn More🌍EPA Final Rule on Source Reclassification
The Environmental Protection Agency (EPA) is making corrections to the Review of Final Rule Reclassification of Major Sources as Area Sources Under Section 112 of the Clean Air Act (CAA) final rule that appeared in the Federal Register on September 10, 2024. Following publication of this final rule, the EPA discovered an inadvertent typographical error in the regulatory text and is correcting the error in this action.
Learn More🌍EPA Grants California Waiver for Omnibus Low NOX Regulations
The Environmental Protection Agency ("EPA") is providing notice of its decision to grant the California Air Resources Board's ("CARB") request for a waiver of Clean Air Act (CAA) preemption for its Heavy-Duty Vehicle and Engine "Omnibus" Low NO<INF>X</INF> Regulations ("Omnibus Low NO<INF>X</INF> program"). EPA's decision also includes an authorization for portions of the Omnibus Low NO<INF>X</INF> program that pertain to off-road diesel engines. This decision was issued under the authority of the Clean Air Act ("CAA" or "Act") section 209.
Learn More🌱EPA Grants California Waiver for Advanced Clean Cars II Standards
The Environmental Protection Agency ("EPA") is providing notice of its decision granting the California Air Resources Board's ("CARB's") request for a waiver of Clean Air Act preemption for its Advanced Clean Cars II ("ACC II") regulations. EPA's decision was issued under the authority of the Clean Air Act ("CAA" or "Act") section 209.
Learn More