all my cars for years now have been gas...sinbox is straight gas with 350 chev and i get around 450k to 90 ltrs..if i want to go bush i take a bbq gas bottle and a special hose i had made..bit of stuffing around but i can refill if i run out..never have yet though.any dual fuel cars ive had over the years ive had tuned to gas as i would only use fuel if i was forced too..i like my gas cars..currently also have an 80 series landcruiser on dual fuel and it does 350 to 450 k depending on wether im towing or not..again on about 90 litres..