Inspect motor in operation, road test motor vehicle, and test automotive systems and components using computerized diagnostic and other testing devices to diagnose and isolate faults.

检查电机运转，路试车辆，使用电脑诊断和其他测试设备测试汽车系统和部件，从而进行诊断和隔离故障。

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Secondly, on this basis, have proposed the road testing program of the urban passenger train of liquefied petroleum gas, research and analyse the road test of transforming the vehicle.

其次，在此基础上，提出了液化石油气城市客车的道路试验方案，并进行了改造车辆的道路试验研究分析。

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A performance simulation testing system is developed, and a simulation testing on the ECU of vehicle ABS is conducted on several typical road conditions with the test result analyzed.

进行不同路面下汽车ABS性能仿真检测，开发了汽车ABS性能仿真检测系统，对abs的ECU进行了几种典型路面下的仿真检测，并对试验结果进行分析。

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In road testing a hydraulic hybrid truck in suburban Detroit, Michigan, the EPA found the vehicle used 40 to 50 percent less fuel than conventional diesel trucks while reducing carbon emissions by one third.

CNN: EPA, UPS join to launch eco-friendly hybrid trucks