Testing results show this LPG engine has fully reached EURO emission regulation.

从试验结果来看,该LPG发动机完全达到欧排放法规的要求.

The light - off performance of automotive catalytic converters is very important for the stringent vehicle emission regulation.

车用催化转化器的起燃特性对满足日益严格的排放法规是至关重要的.