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2011年12月29日,环境保护部发布了《关于实施国家第四阶段车用压燃式发动机与汽车污染物排放标准的公告》(以下简称《公告》),《公告》中明确提出,车用压燃式发动机与汽车实施国Ⅳ排放标准的时间推迟至2013年7月1日。“就算现在实施国Ⅳ标准,技术上已经没有太大问题,但在市场层面上,使用环境尚不成熟,导致实施时间推迟。”一位发动机业内人士告诉《商用汽车新闻》记者,使用环境主要分为两方面:一是油品问题;二是终端用户尚未完全接受。
On December 29, 2011, the MEP released the Announcement on Implementing the Fourth Stage Compression Standard for Vehicle Compression Engines and Automotive Pollutants (hereinafter referred to as the Announcement), which clearly states that the car The implementation of the country IV emission standard with compression-ignition engines and vehicles was postponed until July 1, 2013. “Even if the current implementation of the national standard IV, the technology has not been much problem, but in the market level, the use of the environment is not yet ripe, resulting in the implementation of the time delay. ” An engine industry told the “Commercial Vehicle News” reporter, the use of Environment is mainly divided into two aspects: First, the oil problem; Second, the end user has not yet fully accepted.