Like HowStuffWorks on Facebook!

Alternative Fuel

        Auto | Alternative Fuels

Natural-gas Vehicles
HowStuffWorks

Cars that run on alternate fuel sources are becoming increasingly important. A natural-gas vehicle, or NGV, is the perfect example of such a car -- it's fuel-efficient, environmentally friendly and offers a relatively low cost of ownership. Learn about the basic idea of NGVs, the unique design challenges involved, and the advantages and benefits of this technology in How Natural-gas Vehicles Work.