"So, you're going to buy half as many cars and you're going to drive for free for the rest of your life. The punch line to all this? We could have been doing it

"So, you're going to buy half as many cars and you're going to drive for free for the rest of your life. The punch line to all this? We could have been doing it in the '80s or '90s, and we could rush this technology to mass adoption in the next five years if we wanted." Musk's talk at Oxford, he mentioned that one of the things enabling the current generation of electric vehicles is the latest generation of Li-ion batteries, which have existed only for a few years.