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Performance of Late Model Cars with Gasoline-Methanol Fuel
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Abstract
A test program has been completed to determine how the incorporation of 15% methanol in gasoline affects the driveability, exhaust emissions and fuel consumption of three 1978 model passenger cars. The study has shown that use of methanol containing fuel deteriorates the driveability of the cars to what is considered to be an unacceptable performance by the present standards. The exhaust emissions are not significantly affected, except for a moderate reduction in the carbon monoxide levels. The volumetric fuel consumption, however, is increased appreciably.
Relatively simple adjustments to the carberator and ignition timing can restore the driveability to an acceptable level for operation with or without methanol. These adjustments, however, fail to restore the fuel consumption to its original level and may result in the escalation of hydrocarbon and carbon monoxide emissions. The increase in emissions is even more pronounced when the modified car is reverted back to operation with gasoline.
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Publow, G. and Grinberg, L., "Performance of Late Model Cars with Gasoline-Methanol Fuel," SAE Technical Paper 780948, 1978, https://doi.org/10.4271/780948.Also In
References
- Federal Register 37 221 Environmental Protection Agency Washington, D.C.
- Alcohols - A Technical Assessment of their Application as Fuels - API Publication No. 4261 July 1976
- Ingamells J.C. Lindquist R.H. “Methanol as a Motor Fuel or a Gasoline Blending Component” Paper 750123 Automotive Engineering Congress and Exposition, Society of Automotive Engineer Detroit, Michigan February 1975
- Reed T.B. Lerner R.M. Hinkey E.D. Fahey R.E. “Improved Performance of Internal Combustion Engines Using 5-30% Methanol” Paper 749104 9th Intersociety Energy Conversion Engineering Conference San Francisco, California August 1974
- Brinkman N.D. Gallopoulos N.E. Jackson M.W. “Exhaust Emission, Fuel Economy, and Driveability of Vehicles Fueled with Alcohol-Gasoline Blends” Paper 750120 Automotive Engineering Congress and Exposition, Society of Automotive Engineers Detroit, Michigan February 1975
- Wiggs E.E. Lunt R.S. “Methanol as a Gasoline Extender - Fuel Economy. Emissions and High Temperature Driveability” Paper 741008 Automobile Engineering Meeting, Society of Automotive Engineers Toronto, Canada October 1974
- Hooks R.W. Reders K.H. Reglitzky A.A. “Gasoline-Methanol Fuels Blending Optimization with Respect to Manufacturing Economics and Engine Performance” International Symposium of Alcohol Fuels Wolfsburg, West Germany November 1977
- Koenig A. Bernhardt W. Lee “Technical and Economical Aspects of Methanol as an Automotive Fuel” Paper 760545 Fuels and Lubricants Meeting, Society of Automotive Engineers St. Louis, Missouri June 1976
- Johnson R.T. Riley R.K. “Single Cylinder Spark Ignition Engine Study of the Octane, Emissions and Fuel Economy Characteristics of Methanol-Gasoline Blends” Paper 760377 Automotive Engineering Congress and Exhibition, Society of Automotive Engineers Detroit, Michigan February 1976
- Hagen D.L. “Methanol as Fuel: A Review with Bibliography” Paper 770792 Passenger Car Meeting, Society of Automotive Engineers Detroit, Michigan September 1977