The Fuel Tank of Chevrolet Astro vehicles can be described as a container that stores fuel as well as includes the functions of the electric fuel pump and the fuel gauge sender. It is part of the Evaporative Emission Control System (EVAP) where it ensures does not allow fuel vapors to escape into the atmosphere. Parts of Chevrolet Astro Fuel Tanks are made from metal or plastic and metal fuel tanks result in a corrosion or rust issue, while plastic fuel tanks crack due to temperature conditions and vibration. Gas tanks in race cars have developed into fuel cells that cannot burst open and spill gasoline in the event of a crash. Extra large fuel tanks of military polymer are offered to provide additional driving distance immensely.