Rubuta ci gaba don wannan sakin layi - Tsaro shine babban tasiri don karɓar man fetur na methanol a cikin rukunin tseren ƙafafun buɗewa na Amurka. Ba kamar wutar mai ba, ana iya kashe wutar methanol da ruwa kawai. Wutar methanol tana ƙonewa ba tare da ganuwa ba, ba kamar fetur ba, wanda ke ƙonewa da harshen wuta da ake gani. Idan wuta ta faru a kan hanya, babu harshen wuta ko hayaki don hana hangen nesa na direbobi masu saurin zuwa, amma wannan na iya jinkirta ganowar wuta da fara kashe wuta. Hatsarin mota bakwai a zagaye na biyu na 1964 Indianapolis 500
ya haifar da yanke shawarar USAC don ƙarfafawa, kuma daga baya umarni, amfani da methanol. Eddie Sachs da Dave MacDonald sun mutu a hadarin lokacin da motocinsu masu amfani da man fetur suka fashe. Wutar da aka kunna da man fetur ta haifar da hadari mai haɗari na baƙin hayaki mai duhu wanda ya toshe hanyar gaba ɗaya don motocin da ke gaba. Johnny Rutherford, daya daga cikin sauran direbobin da ke cikin lamarin, ya tuka mota mai amfani da methanol, wanda kuma ya zube bayan hadarin. Duk da yake wannan motar ta ƙone daga tasirin ƙwallon wuta na farko, ya samar da ƙaramin wuta fiye da motocin mai da wanda ya ƙone ba a gani. Wannan shaidar, da kuma matsin lamba daga "The Indianapolis Star" marubucin George Moore, ya jagoranci sauyawa zuwa man fetur na barasa a 1965.