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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.
The increased solubility of water with higher ethanol content permits E30 and hydrated ethanol to be put in the same tank since any combination of them always results in a single phase. Somewhat less water is tolerated at lower temperatures. For E10 it is about 0.5% v/v at 21 °C and decreases to about 0.23% v/v at −34 °C. [30]
Ethanol (data page) provides detailed information about the chemical properties, physical properties, and safety measures of ethanol.
Specific energy is energy per unit mass, which is used to describe the chemical energy content of a fuel, expressed in SI units as joule per kilogram (J/kg) or equivalent units. [1] Energy density is the amount of chemical energy per unit volume of the fuel, expressed in SI units as joule per litre (J/L) or equivalent units.
The 3-carbon alcohol, propanol (C 3 H 7 OH), is not often used as a direct fuel source for petrol engines (unlike ethanol, methanol and butanol), with most being directed into use as a solvent. However, it is used as a source of hydrogen in some types of fuel cell; it can generate a higher voltage than methanol, which is the fuel of choice for ...
Legislation in Australia imposes a 10% cap on the concentration of fuel ethanol blends. Blends of 90% unleaded petrol and 10% fuel ethanol are commonly referred to as E10. E10 is available through service stations operating under the BP, Caltex, Shell and United brands as well as those of a number of smaller independents.
E10, E 10 or E-10 may refer to: E10 fuel, see Common ethanol fuel mixtures#E10 or less , a mixture of 10% ethanol and 90% petrol Diabetes mellitus type 1 ICD-10 code
astro: approximate luminosity of an average gamma-ray burst [87] 10 43: 2.2 × 10 43 W astro: average stellar luminosity in one cubic gigalight-year of space 10 45: 10 46: 1 × 10 46 W astro: record for maximum beaming-corrected intrinsic luminosity ever achieved by a gamma-ray burst [88] 10 47: 7.519 × 10 47 W