A Model for Policy Assessment to Facilitate the Proliferation of Electrical Vehicles

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Public policies to support the plug-in electric vehicle (EV) purchase and the installation of the electricity charging stations by the public subsidies were discussed along with the focus of the survey on municipalities that promotes the public acceptance of electric vehicles (EVs). The study developed the infrastructure model of the EV charging station including the proliferation model of plug-in EVs for the public investment strategy, and the scenario analysis was performed on the distribution of the subsidy based the EV proliferation rate. As a conclusion of the study that considered twelve scenarios and their discussions, it was observed that the most effective solution to increase the number of EVs is to increase the subsidy. However, at the same time, it was concluded that it is difficult to attain the target of EVs set by the "Next Generation Vehicle Strategy 2010" proposed by the Ministry of Industry and International Trade even at the most favorable conditions.