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因为还有3年欧盟新的内燃机车排放标准(在2009年,对于所有机车,颗粒物质的排放限值为2g/kWh;对于功率等级大于560kW的发动机,氮氧化物的排放限值为6g/kWh译注)才开始生效,并且至少还有10年英国的200km/h内燃高速列车(以下简称HST)车队才能被替换,所以保证它的连续可靠性是至关
Because there is still another 3-year EU new emission standard for diesel locomotives (emission limit for particulate matter is 2g / kWh for all locomotives in 2009 and 6g / kWh for engines with power ratings greater than 560kW) it will take effect at least 10 years before the British 200km / h internal combustion high-speed train (hereinafter referred to as HST) fleet can be replaced, so its continuous reliability is guaranteed