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德国柴油机制造商MTU公司推出了它的4000系列铁路用柴油机。这种新的发动机能够达到更严格的欧盟ⅢA级排放标准的要求,该标准规定,柴油机的氮氧化物(NOx)排放量将从目前的最多为9.5g/kWh减少到从2009年开始执行的6.0g/kWh。MTU铁路柴油机通过采用纯机内技术,即采用不带任何排气
German diesel engine maker MTU introduced its 4000 series railway diesel engine. The new engine meets the tougher EU Class IIIA emission standards, which stipulate that NOx emissions from diesel engines will be reduced from the current maximum of 9.5 g / kWh to from 2009 6.0g / kWh. MTU railway diesel engines use purely in-line technology, that is, without any exhaust gas