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