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What is an effective way to invest in electric car industry?
You could have googled this question.  I did so and found a link to this article. YMMV taking investment advice from thestreet.com is very likely to lose you money.  However, there do not seem to be any sector funds that specifically focus on the electric vehicle market. Along similar, but not exactly the same lines, there are sector funds that focus on renewable energy.  This article reviews some of them.