California Experience
The State's Cleaner-Burning Gasoline Program
At its December 9, 1999, meeting, the California Air ResourcesBoard (ARB) adopted new gasoline requirements, known as the Phase3 Cleaner-Burning Gasoline regulation. The intent of the regulationis to eliminate the use of the additive MTBE (methyl tertiarybutyl ether) in California while retaining all of the air qualitybenefits of the State’s current cleaner-burning gasoline, whichhas been used since 1996.Phase 1 and Phase 2 GasolineCalifornia has achieved significant improvements in air qualityin the past decade through the use of cleaner gasoline. The Phase1 gasoline regulation, which took effect in 1992, banned leadedgasoline and required refiners to take relatively simple stepsto make gasoline…
