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
In June 2022, the Supreme Court issued its decision in West Virginia v. EPA, which held that, under the “major questions doctrine,” the EPA lacked the authority under the Clean Air Act to devise emissions caps based on the...more
Yesterday President Trump announced on Twitter that the U.S. was revoking California’s waiver under the Clean Air Act (CAA) which allowed it to impose stricter tailpipe emission standards than the federal ones. California’s...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
Oilfield operators of every size have been busy implementing the Obama Administration’s labor-intensive requirements to detect and repair vapor leaks from well site equipment, often called the Quad Oa requirements, in...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
The United States Environmental Protection Agency (“EPA”) in a March 12 Federal Register notice promulgated a final rule which encompassed revisions to the Clean Air Act New Source Performance Standards (“NSPS”) for the oil...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
NEW REGULATORY DEVELOPMENTS - Federal - - Program Requirement Revisions Related to the Public Water System Supervision Programs for Massachusetts, Rhode Island, and Vermont - EPA is giving notice that...more
Natural Gas - Natural Gas Outlook: U.S. On Track to be Net Exporter Q2 2017: Natural gas production and consumption are expected to rise this year due to increases in natural gas prices and LNG exports, as well as...more
Certain regulated entities that operate under Clean Air Act permits are being reminded that those permits do not necessarily cover air emissions associated with the management of hazardous wastes regulated by the federal...more