December 08, 2025
The U.S. Environmental Protection Agency asked a California federal judge to throw out a suit aiming to force it to stop oil refineries from using hydrogen fluoride, saying the groups behind it rely on speculative hypotheticals to allege harm.
July 09, 2025
A group of environmental advocates has hauled the U.S. Environmental Protection Agency into California federal court to stop the use of hydrogen fluoride in domestic oil manufacturing refineries, arguing it's endangering the public and the Toxic Substances Control Act requires that the agency eliminate those risks through regulations.