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The Natural Gas

At European level there are now 11 car manufacturers with products for Natural Gas Vehicles (VGNs). Worldwide, this number amounts to more than 40. All major manufacturers of cars, trucks and buses have VGNs prototypes.

 

The natural gas (CNG) fuel is available in gaseous form (CNG) or liquid (LNG), it is increasingly used in transport as an alternative to conventional fuels. We are faced with an alternative fuel for vehicles that when compared to gasoline can provide savings of up to 60%.

 

CNG differs from liquefied petroleum gas (LPG) to be composed of hydrocarbons in the range of methane and ethane, while the GPL has in its formation hydrocarbons in the range of propane and butane.

 

CNG works with a pressure of 220 bar, while the LPG is only 8 bar. Besides being lighter than LPG, CNG is stored in a cylinder with no seams, welds or bifurcations. The cylinder CNG undergoes a treatment process which consists in heating the material to elevated temperatures and then immerse it in a fluid with chemical substances which contribute to increase the strength of the material.

 

This type of gas is not toxic, can not be tampered with, does not condense or drowning the engine disappears immediately leak. As a gas is more easily processable by the engine of a liquid fuel being more expensive than gasoline and ethanol.

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