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A motor fuel is a fuel that is used to provide power to the engine of motor vehicles — typically a heat engine that produces thermal energy via oxidative combustion of liquid or gaseous fuel and then converts the heat into mechanical energy through reciprocating pistons or gas turbines.
A fuel is any material that can be made to react with other substances so that it ... Propane is the third most commonly used motor fuel globally. Locomotive diesel ...
A low octane rated fuel may cause engine knocking and reduced efficiency in reciprocating engines. Tetraethyl lead was once widely used to increase the octane rating but are not used in modern automotive gasoline due to the health hazard. Aviation, off-road motor vehicles, and racing car motors still use leaded gasolines. [2] [3]
However, in many European countries, this tax break is often compensated by a much higher annual tax on cars using LPG than on cars using petrol or fuel-oil. Propane is the third most widely used motor fuel in the world. 2013 estimates are that over 24.9 million vehicles are fueled by propane gas worldwide.
When Petrol found a later use as a motor fuel, Frederick Simms, an associate of Gottlieb Daimler, suggested to John Leonard, owner of Carless, that they trademark the word and uppercase spelling Petrol. [10] The trademark application was refused because petrol had already become an established general term for motor fuel. [11]
Most petrol engines use spark ignition, unlike diesel engines which run on diesel fuel and typically use compression ignition. Another key difference to diesel engines is that petrol engines typically have a lower compression ratio. [1] [2] [3]
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Methanol fuel is an alternative biofuel for internal combustion and other engines, either in combination with gasoline or independently. Methanol (CH 3 OH) is less expensive to sustainably produce than ethanol fuel, although it is more toxic than ethanol and has a lower energy density than gasoline.