CNG Vehicles

TEXT: CNG term: Compressed Natrual Gas , sometimes also known as NGV or Natural Gas Vehicle CNG are methane gas that is compressed into cylinder for transportation and the methane are maintain in gaseous form. The pressure maintain can range from 250 Bar to 300 Bar. Due to the extreme high pressure , cylinder use have to be certified and inspect regularly. Generally as a rule of time a CNG thermal energy per cu ft is 1/4 of a typical Gasoline thermal volume. In other words we need 4 times a volume of space to store the same energy capacity of CNG in compressed form. For more information on CNG, please refer to our related site at : http://www.eere.energy.gov/afdc/altfuel/natural_gas.html