In summary, DMC and DMM can greatly reduce smoke emission and thermal radiant flux, which leads to higher thermal efficiency of diesel engine.So DMC and DMM are ideal oxygenate additives for diesel.

• 综上所述，DMC和DMM能有效降低碳烟的生成及排放，减少缸内辐射传热量，从而提高了发动机有效热效率，是较为理想的柴油添加剂。