David,
Be warned, if you read the sticker on the fuel pumps at Fry's, Circle K, Safeway, and others it is illegal to fuel our 3 axle coaches at these stations, Az charges a different fuel tax ($.18), There has been much talk about if a 3 axle coach is exempt to know real answer, but most say it is a $1000 fine if you get caught, for the price difference I'm not taking that chance anymore.