The objective of this durability study was to identify possible engine component wear caused by additional ethanol content in the fuel using an engine test cycle typically employed by original equipment manufacturers (OEMs) to test for engine durability. The engines were tested with E20, and then, as appropriate, E15 and E0, for 500 test cycles, corresponding to 500 hours, with monitoring at regular intervals. To test the effect of ethanol on in-use engine durability, vehicles with engines of various valvetrain types were chosen. FEV and the CRC project panel agreed to test eight vehicle types which represented a selection of various valvetrain type engines in popular light-duty automotive applications in non-FFVs from model year 2001 through 2009. Engines were tested outside of the vehicle on an engine dynamometer using a special umbilical cord connection to the in-vehicle control system. The study has shown that two popular gasoline engines used in light-duty automotive applications of vehicles from model years 2001 through 2009 failed with mechanical damage when operated on intermediate-level ethanol blends (E15 and E20).


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    Title :

    Interimediate-Level Ethanol Blends Engine Durability Study


    Publication date :

    2012


    Size :

    104 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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