With the urgent requirements for environmental protection, widespread electric vehicles (EVs) indeed have identified as a cornerstone of transportation sector emission control strategies, and many governments around the world make all their efforts to improve charging infrastructure and trying to find good operating scenarios. This article focuses on the current development in deployment of charging station, noting the function of policy instrument in the respect of laws and market.

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... the national and state governments show diverse strategies in legislations at the present stage. This discussion especially explores the amendment of Civil Code for deploying stations in Hawaii and California, and meanwhile by subsuming the norms applicable to charging station installations. And the characteristic elements of new-style contracts should consider not only potential consumption but also development of a strong market basing on the nature of service network though it may deploy in private sector.