国Ⅲ标准实施一年多了,市场上有关排放升级的争论仍在继续。而在日程表上已经颇为接近的国Ⅳ排放标准,也因屡屡传出推迟的风声而备受关注。再看国外,在排放升级的时间以及实现排放的技术上,各种争议不绝于耳。这似乎预示着这样一个问题:排放升级,到底需要照顾谁的利益? National III standards more than a year, the market debate on emissions upgrades continue. However, the emission standards of country IV, which are already quite close to the schedule, are also attracting much attention because of the repeated announcements of the delay. Looking abroad, various controversies are heard endlessly in the timing of emission upgrades and in emissions technologies. This seems to presage the question of who needs to take care of the emission escalation?