Podcast - Diamond Alternative Energy, LLC v. EPA: The Intersection of Constitutional and Environmental Law
SCOTUS Clean Air Act Cases: What’s New?
Unpacking California's 2024 Zero Emission Fleet Mandate
West Virginia vs. EPA Part II: U.S. Supreme Court Applies the Major Questions Doctrine to limit EPA Regulatory Authority
[Webinar] Growing Greener: Navigating Environmental Laws in the Cannabis Industry
Nota Bene Episode 101: Catching up with Global Climate Regulation with Nico van Aelstyn
Schoenbrod: SCOTUS Ruling Helps EPA Deal With a "Stupid Statute"
Law Prof: The Clean Air Act Needs a Reboot
Introduction - Continuing the regulatory whiplash over greenhouse gases (GHG) emissions from power plants, the United States Environmental Protection Agency (EPA) recently proposed repealing the Biden administration’s GHG...more
On June 11, 2025, the US Environmental Protection Agency, under Administrator Lee Zeldin, proposed repealing two key Biden–Harris-era rules targeting greenhouse gas and air toxic emissions from fossil fuel–fired power plants....more
On June 11, 2025, the U.S. Environmental Protection Agency ("EPA") issued a proposed rule to repeal all greenhouse gas ("GHG") emissions standards for fossil fuel-fired electric generating units ("EGUs") under § 111 of the...more
Administrator of the U.S. Environmental Protection Agency (EPA) Lee Zeldin on June 11, 2025, announced a proposed rule titled “Repeal of Greenhouse Gas Emissions Standards for Fossil Fuel-Fired Electric Generating Units.” In...more
The US Environmental Protection Agency recently issued a proposed rule and accompanying press release announcing its intent to repeal both the 2015 greenhouse gas emissions standards for new fossil fuel-fired power plants...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
In early April, President Trump issued several energy-related presidential actions aimed at reviving the coal industry. These actions could boost the domestic coal industry, including by rolling back environmental regulations...more
In what it called “the greatest and most consequential day of deregulation in U.S. history,” the Environmental Protection Agency (EPA) announced its most expansive deregulatory initiative to date on March 12, 2025. Through a...more
The new administrator of the Environmental Protection Agency, Lee Zeldin, announced March 12 the agency would be rolling back 31 key environmental provisions that regulate air pollution, water protections, and the energy...more
On March 12, 2025, the Environmental Protection Agency ("EPA") issued a flurry of press releases announcing its plan to rollback dozens of Biden-era, as well as earlier, environmental regulations. This historic move is part...more
The Biden administration's rule requiring the payment of a fee for methane emissions has effectively been rescinded, although, for now at least, the statutory provision imposing the fee remains in effect along with other...more
The EPA administrator announced 31 deregulatory actions the agency will prioritize. On March 12, 2025, the Environmental Protection Agency (EPA) released a video and accompanying press release from Administrator Lee...more
As President-elect Donald Trump prepares to assume office, the administration is signaling a shift in regulatory policy that could have sweeping implications for the automotive and advanced mobility industries. ...more
With unified control of Congress and the White House, Republicans are primed to use the CRA to swiftly overturn regulations promulgated in the final months of the Biden Administration. The Congressional Review Act (CRA)...more
Republicans have swept the 2024 elections, returning Donald Trump to the White House as the 47th President and flipping the Senate to a Republican majority. Having narrowly maintained control of the House of Representatives,...more
On March 31, 2020, the Environmental Protection Agency (EPA) and the Department of Transportation, acting through the National Highway Traffic Safety Administration (NHTSA), finalized a rulemaking that the agencies described...more
Climate Change Regulatory Issues & Updates - Trump Administration Plans Overhaul of NEPA Review Process The proposed rule changes would considerably limit the scope of environmental reviews of planned energy and...more
Yesterday, EPA and the National Highway Traffic Safety Administration released the “Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule Part One: One National Program,” more succinctly known as the withdrawal of the...more
Action May Have Far-Reaching Impacts - Today, the Environmental Protection Agency (“EPA”) and the National Highway Traffic Safety Administration (“NHTSA”) announced a joint rule intended to substantially affect...more
As President Trump’s nominee to head the Environmental Protection Agency, Andrew Wheeler, cleared a key committee vote this week, a conflict between EPA and the State of California over tailpipe greenhouse gas emissions shows...more
This is the second issue of WilmerHale’s 10-in-10 Hot Topics in Energy Series. Over the next 10 weeks, our attorneys will share insights on current and emerging issues affecting the US energy sector. Attorneys from across...more
Earlier this week, on August 21, President Trump’s Environmental Protection Agency (“EPA”) proposed a rule pursuant to Section 111(d) of the Clean Air Act (“CAA”) intended to replace the embattled Clean Power Plan (“CPP”)...more
Irony abounds as the new Acting Administrator at EPA last Tuesday announced historic progress under the Clean Air Act even while the Administration works to roll back a number of Clean Air Act rules. ...more
The National Highway Traffic Safety Administration (NHTSA) and the U.S. Environmental Protection Agency (EPA) issued a joint notice of proposed rulemaking today, called the "Safer Affordable Fuel-Efficient (SAFE) Vehicles...more
As expected, the Trump administration has been actively engaged in efforts to reverse the federal government’s regulatory direction with respect to climate change. In 2017, President Donald Trump announced plans to withdraw...more