A Fuel Filler Cap is used to securely seal the fuel tank and prevent the escape of fuel vapors while also providing access for refueling. The cap is equipped with a sealing mechanism that forms a tight seal when the cap is secured onto the fuel tank base. This seal prevents fuel vapors from escaping and helps maintain the proper pressure within the fuel tank.Attributes:• Helps preserve fuel efficiency and reduce fuel wastage• Prevents fuel evaporation and helps maintain proper pressureApplications:A Fuel Filler Cap is used to deter unauthorized access to the fuel tank helps prevent fuel tank and also preventing the formation of a vacuum and ensures smooth fuel flow to the engine.