A fuel-efficient passenger car engine oil has been developed that showed an average of 4.6 % improvement in fuel economy compared with several premium, SAE 10W-40 oils (API Engine Service Classification SE) in a road fleet test. In the combined Environmental Protection Agency city/highway testing,this oil gave 5.5 % better fuel economy on average than an SE premium 10W-40 oil. The excellent overall performance of this lubricant was confirmed by ASTM Engine Sequence tests and evaluation in severe taxicab operations. The new 10W-40 oil, which incorporates friction-reducing properties, is formulated with petroleum base stocks and known additives, many of which are conventionally used. It is expected that advances in friction-related technology developed in this work may lead to oils with even higher levels of fuel economy improvement in the future. (DePo)


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    Title :

    Improved fuel economy via engine oils


    Additional title:

    Einsparungen im Kraftstoffverbrauch durch Motoroel


    Contributors:
    Waddey, W.E. (author) / Shaub, H. (author) / Carley, R.A. (author)

    Published in:

    Publication date :

    1978


    Size :

    13 Seiten, 8 Bilder, 13 Tabellen, 26 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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