Liquefied petroleum gas
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Liquefied petroleum gas, also referred to as liquid petroleum gas, is a fuel gas which contains a flammable mixture of hydrocarbon gases, specifically propane, butane and isobutane. It can also contai
LPG storage spheres
Two 45 kg (99 lb) LPG gas cylinders in New Zealand used for domestic supply
LPG minibuses in Hong Kong
A pure LPG-powered Ford Falcon taxicab in Perth, Australia
Octane rating
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An octane rating, or octane number, is a standard measure of a fuel's ability to withstand compression in an internal combustion engine without causing engine knocking. The higher the octane number, t
A US gasoline pump offering five different octane ratings
Gas stations have gasoline with different octane ratings. Higher numbers indicate that the fuel can better avoid unintended combustions within the cylinders of the engine.
A 1940s US propaganda poster using the term "octane" to emphasise power