well this is a commonne for you all i had a 6.2cc chevy diesel getting 16 mpg ( 4.5 litres in a gallon ) doing 65 to 70 mph i sold it and hve seen a lpg rv the same size what do you think i would be better of getting as lpg is half price as diesel?????? and what should i get out of a 33ft rv on lpg?? do deiesl or lpg sell better or worth?? are diesels more reliable?? i have £ 10,000 to send can any one suggest any thing??