介绍了欧洲重负荷柴油机油的规格、欧洲和美国车用发动机油质量保证体系和欧美柴油机油规格的差别及原因。

The specification and development of heavy-duty diesel engine oil in Europe, quality guarantee systems of automobile engine in Europe and American were presented.

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简要介绍了国内外实施的发动机排放标准，详细描述了最新的柴油机机油规格及其评价方法，对我国机油的研发与应用有指导意义。

Descriptions are presented on latest specification of diesel engine oil and its evaluation procedure, which can be guidance for development and application of lube oil in China.

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介绍了日本对四冲程摩托车发动机油品的调查，结果表明汽油机油不能适用于四冲程摩托车发动机；并提出了四冲程摩托车发动机油规格（草案）。

The engine oil for fourstroke motor was investigated by Japan, the result indicated that gasoline engine oil was not suitable for engine of fourstroke motor.

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