Zaɓi nisa da tsarin amfani da mai kuma cika farashin rukunin man. Ana ƙididdige farashi a cikin galan Amurka don yanayin MPG da lita na sauran hanyoyin.
Sakamako sun haɗa da kuɗin fito, filin ajiye motoci, rago, tsayi, kaya da canje-canjen farashin mai. Amfanin mai na gaske yakamata ya dogara ne akan matsakaicin dogon lokacin abin hawa.