Autogas's the common name for liquefied petroleum gas (LPG) when it's used as a fuel in internal combustion engines in vehicles. The same equipment's also used for similar engines in stationary applications such as generators. Autogas's widely used as a "green" fuel as it decreases exhaust emissions. In particular, it reduces CO2 emissions by around 20% compared to petrol. It's an octane rating (MON/RON) that's between 90 and 110 and an energy content (higher heating value—HHV) that's betw… (More on Autogas)