Summary | China to tighten motor vehicle emission control-
China.org.cnPriority of regulation will be put on heavy-duty
diesel vehicles.Follow China.org.cn on Twitter and Facebook to
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China.org.cnPriority of regulation will be put on heavy-duty
diesel vehicles.Follow China.org.cn on Twitter and Facebook to
join the conversation.ChinaNews App Download Print Related Go
to Forum >>0 Comment(s) No ments.your storiesGet more from
China.org.cnMobileXinhua Xinhua ...
china.org.cn | 20 December 2017