Crossword clues for Fuel in the tank 3 lettersAnswerClueGASWhat fills a tank ... or fuels a tankGASCar-tank fuelGASFuel in a tankGASFuel in the tankIDEASThink-tank fuelPROPANEERRATATypos on a grilling fuel tank?GASUPFill the fuel tankTESLACar with no fuel tankFULLMark on a fuel tankNACELLEEnclosure for aircraft engines and fuel tanksLPGASFuel in a tank, briefly