Ethanol or blends of ethanol and gasoline as automotive fuels may be attractive means for extending the nation's petroleum reserves. The present study was aimed at identifying potential problems and solutions for this use of ethanol. Retrofitting of existing vehicles as well as future vehicle design has been considered. Automotive use of methanol was addressed in an earlier report to DOE entitled, Modifications for Use of Methanol or Methanol-Gasoline Blends in Automotive Vehicles. Several potentially serious problems hve been identified with ethanol use. The most attractive solutions depend upon an integrated combination of vehicle modifications and fuel design. No vehicle problems were found which could not be solved with relatively minor developments of existing technology providing the ethanol or blend fuel was itself engineered to ameliorate the solution. Research needs have been identified in the areas of lubrication and materials. These, while apparently solvable, must precede use of ethanol or ethanol-gasoline blends as motor fuels. Because of the substantial costs and complexities of a retrofitting program, use of ethanol must be evaluated in relation to other petroleum-saving alternatives. Future vehicles can be designed initially to operate satisfactorily on these alternate fuels. However, a fixed fuel composition must be specified around which the future engines and vehicles can be designed. (ERA citation 07:011177)
Engine Modifications for Use of Ethanol or Ethanol-Gasoline Blends in Automotive Vehicles
1980
58 pages
Report
No indication
English
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