随着近几年城市经济的飞速发展,城市机动车保有量持续增长,截止2006年底,青岛市机动车保有量已达到126万辆,其中汽车45万辆,现正以日增几百辆新车的惊人速度高速增长。可以预见,在未来几年,尤其是2008年奥运会前,青岛市的机动车保有量将保持更高速的增长,达到大型城市的保有量规模。市区大气污染由 With the rapid development of urban economy in recent years, the number of motor vehicles in cities continues to grow. By the end of 2006, the number of motor vehicles in Qingdao has reached 1.26 million, of which 450,000 are vehicles. At present, hundreds of new vehicles The amazing speed of rapid growth. It is foreseeable that in the next few years, especially before the 2008 Olympic Games, motor vehicle ownership in Qingdao will maintain a more rapid growth, reaching the scale of the holding of large cities. Urban air pollution from