News & Analysis as of

Clean Air Act National Emissions Standards Public Health

Jones Day

EPA Proposes Repeal of 2024 Mercury and Air Toxics Standards Amendments

Jones Day on

On June 11, 2025, the U.S. Environmental Protection Agency ("EPA") announced a proposed rule to repeal key amendments to the 2024 Mercury and Air Toxics Standards ("MATS") for coal- and oil-fired electric utility steam...more

Allen Matkins

California Environmental Law & Policy Update 1.17.25

Allen Matkins on

On Monday, January 13, 2025, California withdrew requests for Clean Air Act waivers from the U.S. Environmental Protection Agency (EPA) needed to support four recently adopted vehicle emissions regulations: 1) the Advanced...more

Goldberg Segalla

Won’t You Be My [Non-Emitting] Neighbor? SCOTUS Stays EPA’s Federal Emissions Plan for States

Goldberg Segalla on

Last week, in a 5-4 opinion, in Ohio v. Environmental Protection Agency, the U.S. Supreme Court granted applications for a stay of the implementation of the “Good Neighbor” Plan, the EPA’s federal emissions reduction rule,...more

Ballard Spahr LLP

EPA Proposes to Extend Air Transport Rule to Five More States

Ballard Spahr LLP on

The Environmental Protection Agency (EPA) intends to require power plants and other stationary sources in five additional states to comply with the Good Neighbor Plan to ensure that these states do not unlawfully contribute...more

Bricker Graydon LLP

Sixth Circuit Ruling on Ohio’s Air Nuisance Rule

Bricker Graydon LLP on

On February 10, 2023, the Sixth Circuit issued an opinion in Sierra Club, et al. v. U.S. EPA, et al., (Case No. 21-3057). The case involved a petition for review filed by the Sierra Club, the Ohio Environmental Council, and...more

Barnea Jaffa Lande & Co.

"Dieselgate" Effect: Israel Changes Rules of Game for Class Actions over Environmental Damage

Barnea Jaffa Lande & Co. on

The Tel Aviv District Court recently allowed a motion to certify a class action against the Volkswagen Group and its importer in Israel, Champion Motors Ltd. The class action focuses on the Dieselgate scandal, after an...more

Mitchell, Williams, Selig, Gates & Woodyard,...

Public Health Air Quality Act of 2022: Congressional Legislation Introduced to Expand Fenceline/Ambient Air Monitoring

Congressman Rochester (Delaware) and Senator Duckworth (Illinois) have introduced S.4510 which is denominated the Public Health Air Quality Act of 2022 (“S.4510”). The legislation addresses Clean Air Act monitoring...more

Jackson Walker

Trying to Thread a Very Fine—and Possibly Non-Existent—Needle: EPA Proposes to Withdraw a Necessary Underpinning of the Mercury...

Jackson Walker on

In December 2011, the EPA announced the Mercury and Air Toxics Standards under Section 112 of the Clean Air Act (CAA), commonly referred to as the MATS rule. The MATS rule governs the emission of mercury from electric power...more

BakerHostetler

EPA Releases Revised Ozone NAAQS

BakerHostetler on

On October 1, the Environmental Protection Agency issued a prepublication version of a final rule establishing a new National Ambient Air Quality Standard (NAAQS) for ozone. The final rule lowers the primary and secondary...more

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