With regard to whether or not the National IV emissions can be implemented on time, there is finally news that the implementation of the fourth national emission of heavy diesel (heavy diesel engine ) will not be postponed.
Forefront, there are many news on the Internet: July 1, 2013, the National IV emissions of heavy-duty diesel vehicles still can not be implemented on time. To this end, the reporter found the Director of the Ministry of Environmental Protection Motor Vehicle Sewage Monitoring Center Tang Dagang.
The environmental expert did not simply deny this website, although he did not hear any news about postponement.
To be cautious, Tang Dagang asked almost all the relevant departments: the Internal Combustion Engines Association, the Ministry of Environmental Protection, the Ministry of Industry and Information Technology, and the China Association of Automobile Manufacturers. The answer is only one - "Do not postpone." "I asked almost all the relevant departments, and no one department said that they heard the delay. Ah, the Ministry of Environmental Protection is also very determined that on July 1 next year, it will definitely The National IV emissions from heavy firewood will be implemented on schedule," Tang Dagang said.
Tang Dagang in turn asked the reporter: “Why would you say that the National IV emissions should be postponed? What do you see? Who is talking about this?†The reporter said that he saw it on the Internet and put forward his own question: “There are rumors. Deferred from two concerns, whether or not there will be a national discharge of oil products and a supply of urea.
In this regard, Tang Dagang said: "Urea does not have to worry, it is the buyer's market. How much is it? As for the oil issue, aren't the national standardization committees meeting in these two days? The current national emission standard for diesel has not yet come out. The amount of 50ppm is the Euro IV standard. Our country may be the same as Europe, and it may not be the same as Europe."
Tang Dagang further explained: “Now, the heavy diesel that follows the SCR technology line can tolerate diesel with 350 ppm sulfur content. That is, if it is July 1, next year, even if it is not guaranteed nationwide, There is 50 PPM of diesel fuel, but this type of SCR technology will not affect the emissions of diesel vehicles. Of course, if we take the other technical route, we cannot tolerate 350ppm of the national IV emissions of the engine, only those who provide 50PPM If you are in the diesel region, such as Guangdong, if this is the case at that time, then there will be no national sales of the four models equipped with SCR's technical route engine.
At the end of the interview, Tang Dagang once again asked the reporter: “Where did you hear the news that China IV was delayed? The seven plenary sessions were all open and rumors were still being spread here.â€
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