对全市机动车保有量和NO、排放量，从汽车类型和燃料类型两方面进行数据分析，总结出载货汽车和柴油汽车是减排重点。阐述了国际、国内及我市机动车NOx排放量趋势，并提出减排措施。%The paper discusses amount of motor vehicle and discharge amount of NOx in Qiqihaer city, analyses type of car and fuel, points out truck and diesel car are important in emission reduction and puts forward countermeasures.
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