Some Googling(without verification). These are the first results to answer the questions posed. There are ~1.5billion vehicles worldwide (2019) A Tesla appare

Some Googling(without verification). These are the first results to answer the questions posed. There are ~1.5billion vehicles worldwide (2019) A Tesla apparently has 8kg worth of battery lithium per vehicle. That's 12,000,000 tonnes of lithium. The reserves worldwide are 14,000,000 tonnes (End of Google info) So once the whole world is on EV, we are either reducing cars or pulling from the ocean. Only one of those options is doable by a politician and they will 100% take the easy route. Every single time.