The U.S. Environmental Protection Agency (EPA) announced on April 28, 2025, that it has issued an emergency fuel waiver allowing the sale of gasoline blended with 15 percent ethanol (E15) nationwide in summer 2025. EPA notes...more
Led by California, 23 states, including Massachusetts, have sued the Trump administration challenging new federal regulations that strip the states’ authority to set their own vehicle emissions standards. On December 3, 2019,...more
The Trump Administration’s recent lawsuit against California’s climate change policies has cast a spotlight on a stark and troubling reality. U.S. v. California is just the latest salvo in a sustained, direct assault by EPA...more
Multi-state coalition’s lawsuit challenges Trump EPA withdrawal of California Clean Air Act waiver. EPA formally announced its decision to withdraw California’s 2013 Clean Air Act waiver, which allowed the state to set its...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
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