EPA Proposes Revision to Arizona State Implementation Plan to Reduce Emissions

Summary

The Environmental Protection Agency (EPA) is proposing to approve a revision to the Arizona State Implementation Plan (SIP) to update the Cleaner Burning Gasoline, Winter Oxygenated Fuel, and Gasoline Set-Aside Programs, aiming to reduce emissions of ozone-forming pollutants and carbon monoxide in the Phoenix and Tucson areas.