In a pair of closely watched decisions issued on June 18, 2025, the U.S. Supreme Court answered a critical procedural question under the Clean Air Act (CAA): is the proper venue for judicial review of U.S. Environmental...more
The U.S. Environmental Protection Agency (EPA) proposed a landmark rule revising the Renewable Fuel Standard (RFS) program. This proposal – termed the “Set 2” Rule - marks the 20th anniversary of the RFS program and reflects...more
This alert was originally published on September 19, 2024, and has been revised based on recent developments.
Update: On April 29, 2025, US EPA and the Texas Railroad Commission (RRC) signed a memorandum of agreement...more
The U.S. Environmental Protection Agency (EPA) Region 6 recently issued the first draft Class VI permits in Texas under the Safe Drinking Water Act (SDWA) Underground Injection Control (UIC) program. These draft permits would...more
Today the U.S. Environmental Protection Agency (EPA) issued a pre-publication version of its highly anticipated proposed National Primary Drinking Water Regulation (NPDWR) for certain PFAS that, if promulgated as proposed,...more
On December 15, 2022, the U.S. Environmental Protection Agency (EPA) published a proposed rule restricting the use of certain hydrofluorocarbons (HFCs) in aerosols, foams, refrigeration, air conditioning, and heat pump...more