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
If finalized, the rule would eliminate both Obama- and Biden-era limits on GHG emissions from fossil fuel-fired power plants. On June 11, 2025, the US Environmental Protection Agency (EPA) released a proposed rule under...more
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
West Virginia v. EPA, No. 20-1530; North American Coal Corp. v. EPA, No. 20-1531; Westmoreland Mining Holdings v. EPA, No. 20-1778; North Dakota v. EPA, No. 20-1780: In four consolidated cases, the Court agreed to review the...more
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
On December 27, EPA proposed to revise the cost finding associated with the Mercury and Air Toxics Standards (MATS) along with the risk and technology review required by the Clean Air Act. (EPA Announcement)....more
U.S. Agencies Agree to Slash Approval Times for Infrastructure Projects - "More than a dozen federal agencies agreed to slash the time needed for environmental reviews and permitting on major infrastructure projects, a...more
A policy memorandum issued by the U.S. Environmental Protection Agency (“EPA”) during December 2017 clarifies how the agency will apply and enforce certain facets of the New Source Review regulations following a pair of...more
Citing “immediate risks” to national security, public health, and the economy, the Obama Administration adopted ambitious regulations and policies to implement its Clean Power Plan, establishing the first ever national...more
Responding to over 4 million comments received on its June 2014 proposed rule, the United States Environmental Protection Agency (EPA) has made changes to its controversial plan to regulate carbon dioxide (CO2) emissions from...more