随着我国国民经济的发展,机动车辆日益增多,城市和主要交通干线上的车辆流量,也在急剧增加,由此而产生的交通公害也成为不容忽视的重要问题之一。所谓交通公害是指汽车排气对大气的污染,噪音对环境的污染;汽车电气设备系统产生的电波和杂音, With the development of national economy in our country, the number of motor vehicles is increasing day by day, and the traffic flow on cities and major traffic lines is also rapidly increasing. The resulting traffic pollution has also become one of the most important issues that can not be ignored. The so-called traffic pollution refers to the exhaust of the car on the air pollution, noise pollution of the environment; automotive electrical equipment system produces radio waves and noise,