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A dish of ethanol aflame. Various alcohols are used as fuel for internal combustion engines.The first four aliphatic alcohols (methanol, ethanol, propanol, and butanol) are of interest as fuels because they can be synthesized chemically or biologically, and they have characteristics which allow them to be used in internal combustion engines.
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. Methanol is safer for the environment than gasoline, is an anti-freeze agent, prevents dirt and grime buildup within the engine, has a higher ignition temperature and can withstand ...
They are classed not as professional but as sportsman within the USA but in Europe they are classed as a professional category within the FIA Drag Racing Championships. Top Alcohol classes also compete outside of North America, most notably in Australia and Europe. In Europe they are called Top Methanol Dragsters and Top Methanol Funny Cars.
Use of alcohol (ethanol and methanol) in motor racing history parallels the invention of the automobile, favoured due to inherent combustion characteristics such as high thermal efficiency, high octane rating, raised torque and with some advanced engines, better specific fuel consumption.
High percentage ethanol mixtures are used in some racing engine applications as the very high octane rating of ethanol is compatible with very high compression ratios. The first production car running entirely on ethanol was the Fiat 147, introduced in 1978 in Brazil by Fiat. Ethanol is commonly made from biomass such as corn or sugarcane.
Nitromethane and methanol fuel, used by Top Fuel drag racing; Methanol fuel, formerly used in some open-wheel race cars, like IndyCar Series prior to 2007 and in Top Alcohol drag racing; Ethanol fuel, now being used in the IndyCar Series and NASCAR; Nitrous, used by drag racing vehicles to increase horsepower
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Summary of the main ethanol blends used around the world in 2013. Several common ethanol fuel mixtures are in use around the world. The use of pure hydrous or anhydrous ethanol in internal combustion engines (ICEs) is only possible if the engines are designed or modified for that purpose, and used only in automobiles, light-duty trucks and motorcycles.