🌫️EPA Extends Comment Period for Indiana Regional Haze Plan Proposal
The Environmental Protection Agency (EPA) is extending the comment period for a proposed rule published on June 18, 2025. The current comment period for the proposed rule was scheduled to close on July 18, 2025. EPA is extending the comment period for the proposed action by 30 days to August 18, 2025.
Learn More🌬️EPA Ruling on Valero Refining's Clean Air Act Permit Petition
The Environmental Protection Agency (EPA) former Acting Administrator signed an Order dated January 07, 2025, granting in part and denying in part a petition dated August 20, 2024, from Texas Environmental Justice Advocacy Services, Caring for Pasadena Communities, Lone Star Chapter of the Sierra Club, and Environmental Integrity Project (the Petitioners). The petition requested that the EPA object to a Clean Air Act (CAA) title V operating permit issued by the Texas Commission on Environmental Quality (TCEQ) to Valero Refining-Texas, L.P., for its Valero Houston Refinery located in Harris County, Texas.
Learn More🌬️Mojave Desert Air Quality Regulation and Its Business Implications
The Environmental Protection Agency (EPA) is proposing to approve revisions to the Mojave Desert Air Quality Management District (MDAQMD or "the District") portion of the California State Implementation Plan (SIP). These revisions concern definitions that are necessary to implement and enforce local rules that regulate air pollution. We are proposing to approve a definitions rule under the Clean Air Act (CAA or the "Act"). We are also proposing to approve the rescission of earlier versions of this rule from the California SIP as they are no longer needed to under the CAA. We are taking comments on this proposal and plan to follow with a final action.
Learn More🏭Proposed Consent Decree for Trialco Aluminum Under Clean Air Act
The Department of Justice has proposed a Consent Decree resolving claims against Trialco Aluminum, LLC concerning hazardous air pollutant emissions from its Chicago Heights facility. The decree includes financial penalties and mandates compliance with updated operational standards, with opportunities for public comment before finalization.
Learn More🌫️Louisiana Air Plan Approval for Interstate Transport of SO2 NAAQS
Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving the portion of the State Implementation Plan (SIP) submittal from the State of Louisiana demonstrating that the State satisfies the interstate transport requirements of section 110(a)(2)(D)(i)(I), also known as the "good neighbor" provision of the CAA, for the 2010 1-hour sulfur dioxide (SO<INF>2</INF>) primary National Ambient Air Quality Standard (NAAQS). The good neighbor provision requires each State's implementation plan to include adequate provisions prohibiting the interstate transport of air pollution in amounts that will contribute significantly to nonattainment, or interfere with maintenance, of a NAAQS in any other State.
Learn More🌫️EPA Approves West Virginia's Regional Haze State Implementation Plan
The Environmental Protection Agency (EPA) is approving the regional haze State implementation plan (SIP) revision submitted by West Virginia (West Virginia, WV, or the State) on August 12, 2022, to address applicable requirements under the Clean Air Act (CAA) and the EPA's Regional Haze Rule (RHR) for the regional haze program's second implementation period. The EPA is taking this action pursuant to the CAA.
Learn More🌬️Proposed Consent Decree Under Clean Air Act
In accordance with the Clean Air Act, as amended (CAA or the Act), notice is given of a proposed consent decree in Little Manila Rising, et al. v. U.S. EPA, et al., No. 4:24-cv-07768-HSG. On November 7, 2024, Plaintiffs Little Manila Rising, Medical Advocates for Healthy Air and Sierra Club filed a complaint in the United States District Court for the Northern District of California, alleging that the Environmental Protection Agency ("EPA" or the "Agency") failed to perform certain non-discretionary duties in accordance with the Act to take final action on a state implementation plan (SIP) revision submitted by the State of California. EPA is providing notice of this proposed consent decree, which would resolve all claims in the case by establishing a deadline for EPA to take final action as specified in the decree.
Learn More🏭EPA Denies Petition on Morenci Mine Clean Air Permit
The Environmental Protection Agency (EPA) Administrator signed an order dated April 30, 2025, denying a petition dated December 6, 2024, from the Center for Biological Diversity. The Petition requested that the EPA object to a Clean Air Act (CAA) title V operating permit issued by the Arizona Department of Environmental Quality (ADEQ) to the Freeport-McMoRan Inc. Copper Ore Mining and Processing Operations ("Morenci Mine") in Greenlee County, Arizona.
Learn More🌬️EPA's Clean Air Act Order for Bella Energy
The Environmental Protection Agency (EPA) Administrator signed an order dated December 16, 2024, granting in part and denying in part a petition dated August 6, 2024, from Sierra Club. The Petition requested that the EPA object to a Clean Air Act (CAA) title V operating permit issued by the Pinal County Air Quality Control District (PCAQCD) to the Seguro Energy Partners LLC, Bella Energy Facility ("Bella Energy"), an electric generating station to be located in Pinal County, Arizona.
Learn More⚖️EPA's Order on Clean Air Act Permit for Torrance Refining Company
The Environmental Protection Agency (EPA) Acting Administrator signed an order dated January 7, 2025, granting in part and denying in part a petition dated July 10, 2024, from Del Amo Action Committee. The petition requested that the EPA object to a Clean Air Act (CAA) title V operating permit renewal issued by the South Coast Air Quality Management District (SCAQMD) to Torrance Refining Company, LLC, located in Los Angeles County, California.
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