Liquid propane (Dimethylmethane) is regarded as an alternative fuel with low emissions for cars. It has been tried and tested, and the system can easily be installed into vehicles. However, it is being replaced in many countries by Auto LPG, also referred to as Auto Gas. Auto Gas is a high octane fuel which is obtained when natural gas is fractioned. Crude oil refining can also yield this type of gas. Auto Gas, which is really composed of Dimethylmethane or a combination of petroleum gases like Dimethylmethane and butane, is regarded as better...
