Abstract
Environmental issues and energy security have led governments to introduce lots of incentive policies on electric vehicle promotion. Benefiting from policy dividend, the global threshold of 1 million electric cars on the road had been exceeded in 2015, closing at 1.26 million. Among these incentive policies, subsidy scheme was regarded as the most important and effective. However, many governments intend to abrogate subsidy for electric vehicle, such as China, America and Germany. It`s worth finding out the key factors including incentive measures and additional socio-economic factors that promote electric vehicle adoption. Utilizing multiple linear regression method, we explore the relationship between those variables and 30 national electric vehicle market shares for the year 2015. The results show that chargers` density, fuel price and road priority are significantly positive factors correlated with a country`s electric vehicle market share. Nevertheless, fiscal incentives are no longer the reasons for the huge differences of electric vehicle promotion over countries. This paper is helpful for policymakers to adjust and improve their policy for electric mobility.
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