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The System

CNG Fuel Systems

Turning natural gas into fuel for your vehicle begins with compression and fueling up at your local filling station. From there, it goes directly into high-pressure cylinders in your vehicle. When the car is accelerated, CNG leaves this on-board storage cylinder, passes along the fuel line and engine compartment where it enters the regulator, reducing the pressure from as high as 3,600 psi down to atmospheric pressure. A natural gas solenoid valve enables natural gas to move from the regulator into the gas mixer or fuel injectors. It mixes with air and flows on through the carburetor or the fuel injection system. From there, it enters the engine's combustion chambers.