CNG is gaseous fuel and is a mixture of hydrocarbons mainly Methane. It is natural gas compressed to a pressure of 200-250 Kg/cm² to enhance the vehicle on-board storage capacity. Thus, the compressed form of NG is used as a fuel for transportation purposes.


  • Avoid over filling of CNG tank.
  • Avoid filling your CNG tank completely as additional gas, it would simply slop around or disperse out.
  • Avoid over usage of Air-conditioners/Heaters.
  • Never drive till tank is empty.
  • CNG gas might evaporate from the tank if there is some passage or leakage in the gas lead.


  • Always remember to tight the CNG gas lead.
  • Remember to park your car in shade Whenever possible, park your car in shade or under tree so that it doesn’t allow the sunlight to pass in the car, thereby, protecting the chances of CNG gas evaporation.
  • While traveling in a CNG car, always ensure that you use the ACs or the heaters to a minimum extent, as ACs/heaters consume ample of energy.
  • Always maintain the tyre pressure.
  • Always keep your car engine tuned up.
  • A smooth running engine always churns better performance and delivers excellent fuel economy.
  • Change air-filters at regular intervals.
  • Inspection of engines air-filter at regular interval is necessary to keep your CNG car tuned up. If the air-filters are blocked with dirt or dust, the engine consumes more fuel and churns lesser performance.
  • Replace spark plugs and if possible use special spark plugs meant for CNG cars.
  • Service frequently.
  • Get CNG tuning done by a specialist.
  • Always keep your cars’ tires properly inflated as under inflated tires consume more energy to run, thereby resulting in lesser fuel economy.

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