Kumadzulo kwa Europe, msika wachiwiri waukulu kwambiri wamafuta padziko lonse lapansi, kuchuluka kwa MTBE mu petulo kumasiyana kuchokera pa 0 mpaka 15%, kutengera mtundu wamafuta, kampani yamafuta, ndi dziko. Monga zitsanzo, 98–99 RON petrol grade (high performance, super, super plus) ikhoza kukhala ndi 5–13% MTBE, pamene 92–95 RON grade (premium) ili ndi 0.5–8% MTBE.
Kugwiritsiridwa ntchito kwa MTBE monga chowonjezera cha octane ku United States kunayamba mu 1979. Pofika m’chaka cha 1990, Zosintha za Clean Air Act ku United States zinafuna kuti mafuta a oxygenate, monga MTBE akhale pa 15% ndi ethanol, kuwonjezeredwa ku petulo m’madera ena a mizinda ikuluikulu oipitsidwa kwambiri ndi carbon monoxide ndi ozone monoxide kuti achepetse mpweya wa carbon monoxide. Madera amene anaposa muyezo wa mpweya wabwino wa dziko lonse wa carbon monoxide anafunikira kugwiritsira ntchito mafuta a okosijeni pofika November 1, 1992. Mosasamala kanthu za mapindu oonekeratu a kugwiritsira ntchito oxygenates, pakhala ziletso zoikidwa pa kugwiritsiridwa ntchito kwake m’madera ambiri a United States chifukwa cha kuwonjezereka kwa ziŵerengero za kuzindikiridwa kwa MTBE m’madzi akumwa obwera chifukwa cha kuchucha matanki a petulo apansi panthaka.