Also known as E85 fuel
thumb|Logo used in the United States for E85 fuel E85 is an abbreviation typically referring to an ethanol fuel blend of 85% ethanol fuel and 15% gasoline or other hydrocarbon by volume.
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16 sectionsContents
- Fuel economy
- Specific fuel consumption
- Energy value
- Octane and performance
- Use in flexible-fuel vehicles
- Octane rating
- Emissions
- Controversy
- Economics
- Food vs. fuel
- Availability and price
- US price regulation
- See also
- References
- Further reading
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thumb|Logo used in the United States for E85 fuel E85 is an abbreviation typically referring to an ethanol fuel blend of 85% ethanol fuel and 15% gasoline or other hydrocarbon by volume.
In the United States, the exact ratio of fuel ethanol to hydrocarbon may vary according to ASTM 5798 that specifies the allowable ethanol content in E85 as ranging from 51% to 83%. This is due to the lower heating value of neat ethanol making it difficult to start engines in relatively cold climates without pre-heating air intake, faster cranking, or mixing varying fractions of gasoline according to climate. Cold starting in cold climates is the primary reason ethanol fuel is blended with any gasoline fraction.