The analysis of combustion parameters in cylinder shows that the ignition delay reduces, peak combustion pressure decreased and combustion process becomes more smooth.

对气缸内参数的分析表明，滞燃期缩短，最高燃烧压力降低，燃烧过程较为柔和。

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Spark ignition is beneficial to the smooth transition between the combustion modes for SI/HCCI hybrid engine.

火花点火在SI／HCCI燃烧模式切换工况时，能提高瞬态过渡平顺性。

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Unlike a conventional internal combustion engine, LEAF has 100 percent of its torque available from start, delivering smooth, consistent acceleration and the driving feel similar to a conventional V6 engine.

ENGADGET: Nissan starts US production of 2013 Leaf, vows faster charging and a lower entry price