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I think its more to do with making cars that use less and less fuel. We WILL run out of oil, and a proven fact. Rather we run out in 20 years or 1000 years is a different topic. So its not just about global warning.
Yes electricity is also made sometimes from the use of oil.
I think what we are seeing is automotive makers just trying new things, and seeing if something sticks.
With all that said, i understand why they are doing it. I have no interest in the car. I prefer gas engines, and i hope i can keep driving them for years to come.
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