More than 600,000 Australian motorists run their vehicles on LP Gas, including 97 per cent of Australian taxis. LPG Autogas is typically at least 50 per cent cheaper than petrol. If you plan for long trips, that saving can be more that the car rental rate!LPG Autogas powered vehicles emit significantly fewer greenhouse gases and other pollutants than petrol-powered equivalents, so it is the right thing to do! Our cutting-edge Gas System features an easy auto-switch, in an operation as smooth as running on petrol, and a simple filling process.