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Beijing's new local standards to prevent excess NOx emissions from HDVs operating at low-speed in urban conditions make the city the first region in the world to address this deficiency in the Euro IV and V standards.
Analyzes the causes of high off-cycle NOx emissions from Euro IV/V heavy vehicles that threaten efforts to improve urban ambient air quality in Europe and in other countries that use the Euro regulation as a pattern, and recommends various measures to address the problem.