First, I don't get it, Politicians pushing Electric Vehicle for PR or really to help locals with realistic setup in place? But this being china they can liter

First, I don't get it, Politicians pushing Electric Vehicle for PR or really to help locals with realistic setup in place? But this being china they can literally get anything running in a very short time. While this is all good, what would happen to car manufacturers, countries import and export in terms of Crude oil. What kind of impact will this bring on China's economy?