Of course you'll always need small-scale decentralised transportation options. But only for small-scale, decentralised tasks.

Off the top of my head, I can think of three good reasons to regularly drive a personal vehicle:

1. You are a cripple, crone or infant who is physically unable to walk or ride a bicycle to the nearest bus stop.

2. You have to transport goods that are too bulky and/or heavy to fit comfortably in a wheelbarrow or a bicycle trailer. This is most commonly the case for craftsmen and people who are moving furniture - very few everyday non-work related tasks qualify.

3. You live in an area of insufficient population density to support a viable mass transit system.

The vast majority of trips are simply not efficiently done with cars. Not even if those cars ran on magic pony piss, since they'd still be noisy, they'd still take up space and they'd still kill people.

- Jake

Friends come and go. Enemies accumulate.