自2009年开始,我国汽车产销量已连续位居世界第一位,同时,汽车污染也成为我国空气污染的重要来源。据资料介绍,柴油车排放的颗粒物约占我国汽车排放总量的90%。降低柴油车排放的颗粒物已成为我国治理大气污染重点的治理项目。1黄标车“黄改绿”黄标车是指排放标准达不到国Ⅰ的汽油车或者是达不到国Ⅲ的柴油车。这一类型的车,贴的环保标志是黄色的,而不是绿色的,俗称为黄标车。 Since 2009, China’s automobile production and sales have ranked first in the world, meanwhile, automobile pollution has also become an important source of air pollution in our country. According to the information, diesel particulate emissions of vehicles account for about 90% of China’s total vehicle emissions. Reducing the emission of diesel particulate matter has become the focus of our governance of air pollution control projects. 1 yellow car “yellow to green ” Yellow car refers to the emission standards do not meet the national gasoline car I or less than the country III diesel car. This type of car, posted green logo is yellow, not green, commonly known as the yellow car.