Environmental evaluation of introducing electric vehicles with dynamic traffic-flow model


          

刊名：エネルギ—·资源．
作者：Yuki Kudoh
Hisashi Ishitani
Ryuji Matsuhashi
Yoshikuni Yoshida
Kouji Morita
Shinichi Katsuki
Osamu Kobayashi
刊号：720D0062
ISSN：0285-0494
出版年：2000
年卷期：2000, vol.21, no.3
页码：259-265
总页数：7
分类号：TK
语种：jpn
文摘：The dynamic traffic flow model is used in this study to evaluate the effectiveness of introducing electric vehicles (EVs) into the total traffic system as one of the alternative fuel vehicles. This model can simulate congested and non-congested traffic flow caused by changes in the traffic demand. Environmental evaluation is carried out provided that all of the vehicles are substituted to EVs. Calculated result indicates that by introducing EVs the NO{sub}x emissions and the CO{sub}2 emissions can approximately he reduced by 25.7% and 14.4%, respectively. If the battery performance for EVs is improved, they can be reduced by 39.6% and 27.8%, respectively. Since the environmental emissions from heavy duty vehicles has a large impact compared with the other vehicles, it can be concluded that the following measures have to be taken for these vehicles to improve environment in the total traffic system drastically: (1)improvement in fuel efficiency and reduction of NO{sub}x in exhaust gas (2)traffic demand management, such as modal shift.



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