中文摘要：

对生物柴油的质量指标进行了详细的介绍，为了研究发动机燃用生物柴油-柴油混合油时的动力性、经济性和排放性，设计相应的台架试验。结合生物柴油的质量指标和发动机燃油系统的结构分析影响原因，为发动机最终燃用柴油-生物柴油混合液的研究做准备。

英文摘要：

This paper introduces quality index on biodiesel, and designs bench test for studying the power performance, economical efficiency and emission of the diesel engine on biodiesel-diesel blends. According to the quality index on biodiesel and the structure of diesel engine＇s fuel oil system, the causes are found and the biodiesel-diesel blends are applied in diesel engine.