efficient combustion造句

The environment pollution caused by the exhaust gas from automobiles becomes more and more serious . due to the impetus on environmental consciousness and emission control regulations the need for highly efficient combustion engines has led to a quest for an efficient solid state oxygen sensor
汽车排放带来的大气污染日益严重，目前较为有效的治理手段是采用闭环电子控制系统加三元催化转化器,在这个系统中氧传感器是保证系统正常工作的关键部件。
It's difficult to find efficient combustion in a sentence. 用efficient combustion造句挺难的