It is difficult to get that compressed air can be used to drive the Automobiles. However that is true, and the “compressed air operated scooter” as it is popularly known, has Caught the attention of researchers throughout the world. It has carbon-free and is ideal for city driving conditions and economical friendly. Today all the vehicles are mostly conventional & non-conventional fuel produce large amount of harmful gases like CO2,NO2,SO2 etc. which can increase the global warming.