The advantages of high efficiency, economy and durability of diesel engines have resulted in widely use in various power systems in recent years. However, the main pollutants, particulate matter (PM) and Nitrogen oxides (NOx), emitted by diesel engines have caused severe environmental and human health problems. There is a trade-off effect for PM and NOx control inside cylinder, so the simple way of the pollutants control techniques in engine is not enough to reduce PM and NOx at the same time. As th...