With the rapid development of our country's economy, a sharp rise in car ownership in the national scope, people more and more convenient transportation, but at the same time, vehicle emission pollution is becoming more and more people rely on environment. Therefore, positive research vehicle emission control technology, the development of environmental protection, low emission vehicles, is urgent topic. Today, the vehicle emission control technology for internal purification and pollution purification. With the application of advanced emission aftertreatment technology, fuel and lubricating oil on emissions also more and more highlights, the influence of emission control has higher requirement about the quality of the product. Lubricating oil how to adapt to the advanced emission aftertreatment technology is a research topic.
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