Abstract:Although the transient NOx emissions produced from a typical range-extended hybrid vehicle can meet the requirements of the China VI emissions regulations, it is rather difficult to comply with Beijing VI emissions regulations. This is due to the fact that the sharp fluctuation in air-fuel ratio control during engine start-up period resulting in lower conversion efficiency for the three-way catalyst (TWC). In response to these issues, the potentials of different loading strategies in meeting Beijing VI were ex… Show more
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