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| Chinese | English |
| 商用车辆 | commercial vehicle Vehicle designed and equipped for the transportation of goods (设计及配备用来运输货物的机动车辆。) |
| 废弃车辆 | abandoned vehicle A vehicle that has been discarded in the environment, urban or otherwise, often found wrecked, destroyed, damaged or with a major component part stolen or missing (在城市或其他环境中被遗弃的车辆，通常已经损坏或者缺失某个主要部件。) |
| 机动车辆工业 | motor vehicle industry No definition needed (无需定义。) |
| 机动车辆废气 | motor vehicle exhaust gas Gases vented to the atmosphere by internal-combustion-engine driven vehicles (排放到大气中的气体产生于内燃机引擎驱动的车辆。) |
| 机动车辆排放物 | motor vehicle emission The formation and discharge of gaseous and particulate pollutants into the environment chiefly from car, truck and bus exhaust (进入环境的气态和颗粒污染物的排放主要来自汽车、卡车和公共汽车废气。) |
| 重装载车辆运输 | heavy goods vehicle traffic Traffic of large motor vehicles designed to carry heavy loads (设计用来运载重物的大型机动车辆的运输。) |
| 铁路车辆 | railroad vehicle |
| 零排放车辆 | zero emission vehicle |