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近年来,空气污染席卷全国,雾霾成为热门话题,使得人们对汽车尾气排放的关注再度升温。日前,工信部宣布于2015年1月1日起在全国范围内全面推行国Ⅳ排放标准,旨在控制和减少汽车排放污染,从而达到节能减排的要求。但是无论在配套设施的建设、监管体系的配合还是发动机技术的升级上,行业要推行国Ⅳ标准依然面临诸多挑战:车用尿素供应体系尚未形成;柴油质量参差不齐;发动机技术亟需革新;而升级所带来
In recent years, air pollution swept across the country, haze has become a hot topic, making people concern about the exhaust emissions of vehicles once again warming. Recently, the Ministry of Industry and Information Technology announced on January 1, 2015 onwards, the full implementation of the national emission standards Ⅳ, designed to control and reduce vehicle emissions pollution, so as to achieve energy-saving emission reduction requirements. However, no matter in the construction of ancillary facilities or the coordination of supervisory system or the upgrading of engine technology, the industry still faces many challenges in implementing the national IV standard: the vehicle urea supply system has not yet formed; the quality of diesel oil is uneven; the engine technology urgently needs reform; And brought by the upgrade