Homogeneous charge compression ignition (HCCI) combustion is a new combustion mode for internal combustion engine, which can greatly reduce NOx and smoke emissions simultaneously, and can also improve engine thermal efficiency.

• 均质充量压缩着火(Homogeneous charge compression ignition，HCCI)燃烧是一种新的内燃机燃烧方式，它可以同时大幅降低内燃机碳烟和氮氧化物两种主要有害排放，有较高的热效率。