Alcohol fuel

alcoholethanolbioalcoholalcohol fuelsGasoholalcohol-based fuelbio-alcoholfuel
Alcohols have been used as a fuel.wikipedia
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Octane rating

octaneRONoctane number
One advantage shared by the four major alcohol fuels is their high octane rating.
Racing fuels, avgas, LPG and alcohol fuels such as methanol may have octane ratings of 110 or significantly higher.

Fuel

fuelsenergy-richFuel type
Alcohols have been used as a fuel.

Methanol fuel

methanolbiomethanolAlcohol
Methanol fuel has been proposed as a future biofuel, often as an alternative to the hydrogen economy.
Organic methanol, produced from wood or other organic materials (bioalcohol), has been suggested as a renewable alternative to petroleum-based hydrocarbons.

Bioconversion of biomass to mixed alcohol fuels

biomass conversion
Through bioconversion of biomass to a mixed alcohol fuel, more energy from the biomass will end up as liquid fuels than in converting biomass to ethanol by yeast fermentation.

Ethanol

alcoholbioethanolethyl alcohol
The first four aliphatic alcohols (methanol, ethanol, propanol, and butanol) Ethanol is already being used extensively as a fuel additive, and the use of ethanol fuel alone or as part of a mix with gasoline is increasing.
Ethanol is also used as a clean-burning fuel source.

Timeline of alcohol fuel

Ethanol, an alcohol fuel, is an important fuel for the operation of internal combustion engines that are used in cars, trucks, and other kinds of machinery.

Ethanol fuel

ethanolbioethanolethanol economy
Ethanol is already being used extensively as a fuel additive, and the use of ethanol fuel alone or as part of a mix with gasoline is increasing.

Biofuel

biofuelsbio-fuelbio-fuels
Alcohol fuels are produced by fermentation of sugars derived from wheat, corn, sugar beets, sugar cane, molasses and any sugar or starch from which alcoholic beverages such as whiskey, can be made (such as potato and fruit waste, etc.).

Gasoline

petrolgasleaded gasoline
As a fuel, methanol and ethanol both have advantages and disadvantages over fuels such as petrol (gasoline) and diesel fuel.
The most popular additives include aromatic hydrocarbons, ethers and alcohol (usually ethanol or methanol).

Butanol fuel

biobutanolButanolbio-butanol
Biobutanol has the advantage in combustion engines in that its energy density is closer to gasoline than the simpler alcohols (while still retaining over 25% higher octane rating); however, biobutanol is currently more difficult to produce than ethanol or methanol.

Alcohol

alcoholssecondary alcoholtertiary alcohol
Alcohols have been used as a fuel.

Aliphatic compound

aliphaticaliphatic hydrocarbonaliphatic hydrocarbons
The first four aliphatic alcohols (methanol, ethanol, propanol, and butanol)

Methanol

methyl alcoholwood alcoholCH 3 OH
The first four aliphatic alcohols (methanol, ethanol, propanol, and butanol)

1-Propanol

propanoln''-propanoln-propanol
The first four aliphatic alcohols (methanol, ethanol, propanol, and butanol)

Butanol

7%C 4 H 10 Obutyl alcoholbutylalcohol
The first four aliphatic alcohols (methanol, ethanol, propanol, and butanol)

Internal combustion engine

engineinternal combustioninternal combustion engines
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.

Biomass

biomass energybiomass-firedbio-mass
Ethanol is commonly produced from biological material through fermentation processes.

Ethanol fermentation

fermentationalcoholic fermentationfermented
Ethanol is commonly produced from biological material through fermentation processes.

Energy density

energy densitiesEnergies per unit massenergy
Biobutanol has the advantage in combustion engines in that its energy density is closer to gasoline than the simpler alcohols (while still retaining over 25% higher octane rating); however, biobutanol is currently more difficult to produce than ethanol or methanol.

Chemistry

chemistchemicalApplied Chemistry
There is no chemical difference between biologically produced and chemically produced alcohols.

Gasification

gasifierbiomass gasificationgasified
Methanol can be produced industrially from nearly any biomass, including animal waste, or from carbon dioxide and water or steam by first converting the biomass to synthesis gas in a gasifier.

Diesel fuel

dieseldiesel oilgas oil
As a fuel, methanol and ethanol both have advantages and disadvantages over fuels such as petrol (gasoline) and diesel fuel.

Exhaust gas recirculation

EGREGR ValveEGR system
In spark ignition engines, both alcohols can run at a much higher exhaust gas recirculation rates and with higher compression ratios.

Compression ratio

compressionhigh compressionCompression ratios
In spark ignition engines, both alcohols can run at a much higher exhaust gas recirculation rates and with higher compression ratios.