LPG is a mixture of propane and butane. Under normal conditions, it takes the form of gas and compressed in a special tank takes the form of a liquid. It is in this form is used to power automobiles. LPG compared to gasoline is much cheaper. Apparent is that we drive a gas 10l less than gasoline, but the difference is not significant. When installing LPG cylinders used special LPG storage. They have different shapes such as: luke located in the spare wheel. An important aspect when using autogas system is that the engine should be fired and heated on a regular fuel – gasoline.