During emissionstesting, the cars' pollution controls systems were turned on, curbing toxic emissions at the cost of engine performance.
在排放检测中,车辆的污染控制系统会被打开,遏制发动机性能,削减有毒物质的排放。
2
Certification program — the testing of automobiles at the factory for conformity to federal emissions standards.
证明程序——检测工厂中汽车符合符合联邦排放标准。
3
The central competent authority in consultation with the relevant agencies shall determine regulations for the irregular air pollutant emissionstesting of in-use motor vehicles.