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So. Electric cars are gaining in popularity, therefore the popularity of gasoline will be going down. Won't the price go down, leaving the oil industry in trouble?
Nope, in developing countries, if you will introduce electric cars then still there will be gasoline used to make electricity and no engine is 100% efficient, so very less amount of electricity will be produced by the consumption of more amount of fuels. So it will still not be a problem for gasoling industries.
But in case of developed countries where they use nuclear energy, this scenario will be completely different.