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- Q4389193 subject Q7216219.
- Q4389193 subject Q8234302.
- Q4389193 subject Q8300520.
- Q4389193 abstract "Throughout history, alcohols have been used as a fuel. 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. The general chemical formula for alcohol fuel is CnH2n+1OH.Most methanol is produced from natural gas, although it canbe produced from biomass using very similar chemical processes. Ethanol is commonly produced from biological material through fermentationprocesses. However, ethanol that is derived from petroleum should notbe considered safe for consumption as the mixture contains about 5% methanol and may cause blindness or death. Biobutanol has the advantage in combustion engines in that its energy densityis 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. When obtained from biological materials and/or biological processes, they are known as bioalcohols (e.g. "bioethanol"). There is no chemical difference between biologically produced and chemically produced alcohols.One advantage shared by the four major alcohol fuels is their high octane rating.This tends to increase their fuel efficiency and largely offsets the lower energy density of vehicular alcohol fuels (as compared to petrol/gasoline and diesel fuels), thus resulting in comparable "fuel economy" in terms of distance per volume metrics, such as kilometers perliter, or miles per gallon.".
- Q4389193 thumbnail Ethanol_burning_flame.png?width=300.
- Q4389193 wikiPageExternalLink 0,,contentMDK:21501336%7EpagePK:64167689%7EpiPK:64167673%7EtheSitePK:2795143,00.html.
- Q4389193 wikiPageExternalLink gastoalcohol.com.
- Q4389193 wikiPageExternalLink emerging_biobutanol.html.
- Q4389193 wikiPageExternalLink 2007_Ethanol_Fact_Book.pdf.
- Q4389193 wikiPageExternalLink index.html.
- Q4389193 wikiPageExternalLink Stoves.htm.
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- Q4389193 comment "Throughout history, alcohols have been used as a fuel. 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. The general chemical formula for alcohol fuel is CnH2n+1OH.Most methanol is produced from natural gas, although it canbe produced from biomass using very similar chemical processes.".
- Q4389193 label "Alcohol fuel".
- Q4389193 depiction Ethanol_burning_flame.png.
