CNG or compressed natural gas is a domestically available, economical, clean burning, alternative fuel source for vehicles. Rather than burn gasoline or diesel fuel, a consumer would fuel their vehicle with natural gas. In order to provide enough range the gas is compressed and stored on the vehicle in pressurized tanks that can hold up to 3,600 psig.

What is Natural Gas?

Natural Gas is an organic compound that is found deep within the earth. It is a fossil fuel formed over millions of years of geological pressures and changes. Natural gas is primarily methane comprised of hydrogen and carbon. It is a safe fuel source that is commonly used in homes and businesses for heating, lighting and cooking.

How is it used for powering vehicles?

This is accomplished by the following steps:
Natural gas is compressed and enters the vehicle through the natural gas dispenser or fill post. It flows into high-pressure cylinders that are located on the vehicle. When the driver steps on the accelerator, the natural gas leaves the on-board storage cylinder, passes through the high-pressure fuel line and enters the engine compartment. Gas then enters the regulator, which reduces pressure from up to 3,600 psi to approximately atmospheric pressure. The natural gas solenoid valve allows natural gas to pass from the regulator into the gas mixer or fuel injectors. Natural gas mixed with air flows down through the carburetor or fuel injection system and enters the engine's combustion chambers.


Are Natural Gas Powered Vehicles safe?

Natural Gas is an ideal fuel source for many reasons, including safety. Natural Gas is lighter than air. This means that it will not puddle (like gasoline) or sink to the ground like propane, which is heavier than air. Instead, Natural Gas will rise and dissipate in the atmosphere. Natural gas also has a higher ignition temperature. This means that it is much harder to ignite. Also the storage systems used for compressed natural gas are infinitely stronger than the gasoline tanks found on cars and trucks today.

Benefits of CNG

No impurities, No Sulphur(S), No lead(Pb) Very low levels of polluting gaseous emissions
Molecular structure compactness prevents the reactive process which leads to the formation of Ozone (O3) in the troposphere


  • Lighter than air-in case of leak no dangerous puddles
  • Unlikely to ignite due to high ignition temperature
  • Unlikely to ignite due to narrow range of ignition
  • CNG cylinders structurally most sound and have passed every severe test

ITUK CNG kits have passed all the tests which ARAI inquired for at least 3 years of testing, modifying and adapting the kits to be extremely safe.

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