Energy & environment · 19/10/2026

EPA Approves Arizona's Revised State Implementation Plan for Cleaner Burning Gasoline and Other Programs

The U.S. Environmental Protection Agency (EPA) is finalizing an approval of a revision to the Arizona State Implementation Plan (SIP) submitted by the Arizona Department of Environmental Quality (ADEQ), which includes updates to the Cleaner Burning Gasoline, Winter Oxygenated Fuel, and Gasoline Set-Aside Programs.