EPA Proposes Strict New Use Rules for Cobalt Lithium Manganese Nickel Oxide in Batteries

The U.S. Environmental Protection Agency (EPA) has unveiled a significant new use rule (SNUR) proposal targeting a type of Mixed Metal Oxide (MMO) Cathode Active Material (CAM) used in battery application. Published in the Federal Register on April 24, 2026, this proposed rule aims to mitigate potential risks associated with these materials by imposing stringent restrictions on their manufacturing, processing, and use.