Investigation of tailpipe and evaporative emissions from China IV and Tier 2 passenger vehicles with different gasolines
作者： Rencheng Zhu , Jingnan Hu , Xiaofeng Bao , Liqiang He , Yitu Lai
DOI: 10.1016/J.TRD.2016.10.027
关键词: Particle number 、 NOx 、 Gasoline 、 Vehicular Emissions 、 Engineering 、 Waste management 、 Environmental engineering 、 Vapor recovery
摘要: Abstract The limited understanding of vehicular emissions in China, especially evaporative emissions, is one obstacle to establishing tighter standards. To evaluate tailpipe and two typical China IV vehicles Tier 2 vehicle with an onboard refuelling vapour recovery (ORVR) system were selected tested. One the was fuelled gasoline, E10 M15, respectively, investigate effect fuel properties on emissions. For each vehicle, cold-start emission tests conducted first, followed by evaporation test. Based factors real-world activity data, annual hydrocarbon (HC) calculated compared. results show that M15 significantly reduced CO particle number (PN) but seriously aggravated NOx for M15. hot soak losses (HSLs) diurnal breathing (DBLs) slightly impacted properties. higher than gasoline. ORVR effectively controlled DBLs. Evaporative from 1.1–1.4 times HC Additionally, almost 50% lower standard (2.0 g/test), whereas their 1.8–2.8 those vehicle. Therefore, controlling currently remains a great need might be recommended control technology.
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