News & Analysis as of

Clean Air Act Hazardous Substances Energy Sector

Allen Matkins

California Environmental Law & Policy Update 6.13.25

Allen Matkins on

The U.S. Environmental Protection Agency (EPA) moved this Wednesday to erase limits on greenhouse gases from power plants and to weaken restrictions on other hazardous power plant emissions, including mercury, arsenic, and...more

Holland & Knight LLP

President Trump Invokes National Security to Delay Mercury and Air Toxics Standards

Holland & Knight LLP on

President Donald Trump's April 8, 2025, proclamation extends the compliance deadline for the EPA's Mercury and Air Toxics Standards (MATS) by two years, from July 8, 2027 to July 8, 2029, asserting national security concerns...more

Robinson & Cole LLP

EPA Proposes Significant Expansions of Its Risk Management/Accidental Release Prevention Program

Robinson & Cole LLP on

On March 14, 2016, The Environmental Protection Agency (EPA) published proposed revisionsto the Risk Management Program (RMP) (also known as Accidental Release Prevention) rule at 40 CFR Part 68, under Section 112(r) of the...more

Lewitt Hackman

Supreme Court Tells EPA Cost Does Matter

Lewitt Hackman on

The Environmental Protection Agency's Mercury and Air Toxics Standards (MATS) placed national limits on mercury and other toxic emissions from power plants. The agency projected MATS to prevent 11,000 premature deaths, 4,700...more

Ballard Spahr LLP

Supreme Court: EPA Must Consider Costs in Power Plant Rule

Ballard Spahr LLP on

The U.S. Supreme Court issued its opinion in Michigan v. EPA, reversing a ruling by the U.S. Court of Appeals for the District of Columbia Circuit and holding that the U.S. Environmental Protection Agency (EPA) must consider...more

Stoel Rives LLP

U.S. Supreme Court Hears Oral Arguments on EPA’s Mercury and Air Toxics Standard

Stoel Rives LLP on

Wednesday the U.S. Supreme Court heard oral argument in Michigan v. EPA, a Clean Air Act case involving hazardous air pollutant regulations, with implications for fossil fuel-fired power plant owners and operators in...more

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