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The recent rapid growth of the new energy vehicle(NEV)industry has established it as a pivotal force in sustainable development. Yet, challenges in technology, cost, market, and policy hinder its high-quality development. Understanding these factors is essential for policy-making, fostering innovation, and guiding investment. This paper study employed principal component analysis to examine primary indicators' impact on NEV development and a grey relational model to assess various secondary indicators' significance and correlation with industry progress. The study found that while policy measures in China have persistently hampered the industry, market factors have begun positively influencing it since 2019. Furthermore, NEV indicators increasingly shape their own development, with economic factors exerting relatively limited influence. Market and economic indicators like Per Capita GDP and Carbon Trading Price exhibit strong correlations, while indicators linked to NEV characteristics such as range, fuel prices, and vehicle prices closely drive industry advancement, particularly in China's NEV sector.
Zhao et al. (Mon,) studied this question.
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