Podcast - Diamond Alternative Energy, LLC v. EPA: The Intersection of Constitutional and Environmental Law
SCOTUS Clean Air Act Cases: What’s New?
Rewriting the Rules: The Supreme Court's Landmark Decision on Clean Water Act Permits
Compliance into the Weeds: More Compliance Challenges in the Trump Era
Environmental and Sustainability Regulations & the New Administration
No Password Required: USF Cybercrime Professor, Former Federal Agent, and Vintage Computer Archivist
Georgia on My Mind: On the Frontlines of Federal Rulemaking With AG Carr — Regulatory Oversight Podcast
Small Refinery Exemption Litigation Update
[Podcast] Keith Matthews and Chris Wozniak: Talking Ag Biotech Episode 5
[Podcast] Keith Matthews and Chris Wozniak: Talking Ag Biotech Episode 4
Consumer Finance Monitor Podcast Episode: A Look at the Current Challenge to Judicial Deference to Federal Agencies and What it Means for the Consumer Financial Services Industry, With Special Guest, Craig Green, Professor, Temple University
What to Expect in Chemicals Policy and Regulation and on Capitol Hill in 2023
H2-OWOW! – A Reflective Conversation with John Goodin, Former Director of EPA’s Office of Wetlands, Oceans, and Watersheds – Reflections on Water Podcast
Reflections on Sackett - Reflections on Water Podcast
PFAS in Focus: Wastewater Utility Perspectives From Jay Hoskins, Metropolitan St. Louis Sewer District - Reflections on Water Podcast
[Podcast] Keith Matthews and Chris Wozniak: Talking Ag Biotech
Environmental Agencies, Superfund Cleanups, and Managing Enforcement Actions
West Virginia vs. EPA Part II: U.S. Supreme Court Applies the Major Questions Doctrine to limit EPA Regulatory Authority
#WorkforceWednesday: Employers Respond to Dobbs, Implications of the Supreme Court's EPA Ruling, and Pay Increases for CA Health Care Workers - Employment Law This Week®
PFAS Regulatory Update: EPA Issues Updated Drinking Water Health Advisories
The U.S. Environmental Protection Agency (EPA) on Aug. 1, 2025, published a proposal to repeal all greenhouse gas (GHG) emission standards for light-duty, medium-duty, and heavy-duty vehicles and engines from model year 2012...more
The legal landscape regarding federal agency authority fundamentally changed in 2024 with the Supreme Court’s decision in Loper Bright Enterprises v. Raimondo. This landmark case dismantles the Chevron deference standard,...more
Welcome to the Tenth Issue of Currents 2024, our energy e-newsletter. Natural Gas is Not Going Away - While net-zero remains a dream for many, the electricity market is providing a wake-up call for anyone believing...more
EPA Proposes Removing Affirmative Defense Provisions from Eighteen Clean Air Act Emission Standards - In a proposed rule published on June 24, 2024, EPA has proposed to remove eighteen affirmative defense provisions for...more
Arkansas Attorney General Tim Griffin and 24 other state Attorney Generals filed on May 9th a Petition for Review (“Petition”) in the United States Court of Appeals for the District of Columbia challenging the recent rule...more
This post is the second in a series on four key power plant rules that the Environmental Protection Agency recently released. It discusses the rule on requirements governing disposal of coal combustion residuals at inactive...more
EPA’s action finalizes aggressive emission reduction targets for certain subcategories of fossil fuel-fired power plants, based on implementation of carbon capture and sequestration. On April 25, 2024, the US...more
March and April have been busy months for vehicle emission regulation in the U.S. On March 20 and March 29 respectively, the U.S. Environmental Protection Agency (U.S. EPA) issued a set of final emission rules setting...more
Exercising one of its most important and far-reaching powers under the Clean Air Act, the Environmental Protection Agency (EPA) has lowered the primary annual National Ambient Air Quality Standard (NAAQS) for fine particulate...more
The recently enacted Inflation Reduction Act (IRA) contains several new provisions related to methane emissions impacting oil and gas companies, including upstream and midstream. Companies who already report emissions to the...more
What’s Next in the Regulation of Methane Emissions? Previously in our sessions, I have discussed carbon dioxide and what policymakers should do about it. Last month I explained it in full in a speech to the Independent...more
The Clean Air Scientific Advisory Committee (“CASAC”) sent a February 4th letter to the United States Environmental Protection Agency (“EPA”) addressing the following subject: CASAC Review of the EPA’s Policy Assessment for...more
On April 6, 2021, more than 400 environmental non-governmental organizations (ENGOs) submitted to EPA a “Petition for Rulemaking to Remove Methane and Ethane from ‘Negligibly Reactive’ Volatile Organic Compounds List.” If...more
The United States Environmental Protection Agency (“EPA”) announced it is proposing to retain the current Clean Air Act National Ambient Air Quality Standard (“NAAQS”) for particulate matter (“PM”). The PM standard includes...more
The U.S. Environmental Protection Agency (“EPA”) and the U.S. Coast Guard (“USCG”) continue to signal interest in addressing air pollution from large ships and ocean-going vessels. Since statements made by EPA personnel in...more
EPA filed a status report on October 15 in the slow-moving mercury and air toxics (MATS) litigation, which is now Murray Energy Corp. v. EPA, No. 16-1127 (D.C. Cir., filed April 26, 2016). The case is a challenge to EPA...more
The United States Environmental Protection Agency (EPA) on Halloween published a draft policy assessment recommending that the current National Ambient Air Quality Standards (“NAAQS”) of 70 parts per billion (ppb) be...more
This is the eighth issue of WilmerHale’s 10-in-10 Hot Topics in Energy Series. Over the course of 10 weeks, our attorneys will share insights on current and emerging issues affecting the US energy sector. Attorneys from...more
EPA recently released a final regional office realignment plan in response to President Trump’s March 2017 Executive Order 13781. That order required EPA and other federal agencies to improve efficiency, effectiveness, and...more
It seems to happen every year. A natural disaster disrupts fall football season, and interstates are full of evacuees gobbling up hotel rooms and squatting in the nearest safety zones. In those times, no one ever thinks of...more
Last week, I noted that EPA had been ordered to respond to a petition by Connecticut under § 126(b) of the Clean Air Act. This week, DOE was ordered to promulgate energy efficiency rules under the Energy Policy and...more
In late January, EPA issued a guidance memorandum related to major sources under § 112 of the Clean Air Act that will likely reduce participation in the program. ...more
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
On October 1, 2015, the U.S. Environmental Protection Agency (EPA) released its final rule lowering the ozone National Ambient Air Quality Standards (NAAQS) from 75 parts per billion (ppb) to 70 ppb nationwide (2015 Ozone...more
Many Americans listened last week to the admissions by the now former President of Volkswagen that the company had been “dishonest” and had cheated on the U.S. emissions tests. How was this happening at the world’s #1...more