Fuel tank caps are the crucial part of the vehicle as it helps in saving fuel from getting evaporated into thin air. In the absence of fuel tank caps, there is likelihood that there will be a presence of gasoline or diesel vapors around your automobile at all times. The caps are affixed on fuel tank
for performing array of functions such as saving fuel, safety of the vehicle and lastly proper emission control. The key function of the fuel tank cap is to basically stop or avert occurrence of accidents at the time of refueling by safely discharging electrostatic charged on the human body when the person comes off the vehicle. Fuel tank caps are usually perforated metal flash arrester that helps in preventing foreign matter from barging into the fuel tank. The other types of fuel tank caps include vented fuel tank cap
and non-vented fuel tank cap.