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1法规与各公司所采取的方案2005年,欧洲各国将开始实施欧Ⅳ排放标准,2008年将执行更为严格的欧Ⅴ排放标准(见表1)。为此,欧美各大汽车公司正加紧对排放技术的研究,目前,几家公司已研制出达到新排放规定要求的汽车发动机。表1排放限值标准注:1)适用于排量小于0郾75L、额定转速大
1 Legislation and programs adopted by various companies In 2005, European countries will start to implement Euro IV emission standards and in 2008 they will implement the more stringent Euro V emission standards (see Table 1). To this end, the major automobile companies in Europe and the United States are stepping up research on emission technology, at present, several companies have developed to meet the requirements of the new emission engine car engine. Table 1 emission limit standards Note: 1) for displacement less than 0 郾 75L, rated speed