I agree that we can greatly reduce our reliance on cars in the next thirty years, but I'm certain that cars will still be a significant fraction of our transpor

I agree that we can greatly reduce our reliance on cars in the next thirty years, but I'm certain that cars will still be a significant fraction of our transportation by then. Not everyone lives in a city and many cities have too low density to be practical for public transport and small electric vehicles alone. Changing that takes a lot of time.