The Fuel Tank stores fuel. Fuel can be put into the tank by left clicking with a Gas Can containing fuel. The tank has a capacity of 5 full Gas Cans worth of fuel, indicated by a popup when hovering over it, which says "Fuel Reserve: x%", x being how full the tank is. A full Gas Can worth of fuel will increase the amount of fuel in the tank by 20%. The player can take fuel from the tank by right clicking with a Gas Can or Jerrycan.