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Saturday, June 21, 2008


A NGV NATURAL GAS VEHICLE (NGV) The design of a NGV is much like that of a conventional gasoline vehicle. The engine works in the same way, with explosions of gas firing cylinders. Instead of a singe gas tank, the NGV has several heavily secured tanks designed to hold compressed natural gas. In some cases, a NGV is equipped to take liquefied natural gas, which is cooled so that it becomes a liquid, allowing the car to store more energy. NGVs drive, look, and feel like ordinary cars.

Fueling the NGV is somewhat more complicated than fueling a conventional car. Drivers need to find a natural gas fueling station, or they can use a home fueling system which taps into household natural gas. Typically, a home fueling system can take hours to fill, since the gas needs to be pressurized before it enters the car. Manufacturers of NGVs hope that consumer demand will increase the number of available fueling stations, which is important, since the cars have a shorter range than their gasoline consuming counterparts do.

Although the NGV is not a complete solution to reliance on fossil fuels, the vehicles were hailed as a step in the right direction when they began to be more widely produced in the late 1990s. In many cities around the world, NGV buses, taxis, and public works vehicles can be readily seen on the streets. by wisegeek

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