The answer depends in large part on whether we own autonomous vehicles or share them.
It's not too soon to start asking.
That's the vision of Honda, anyway, which has invented a Segway-like pedestal for personal mobility.
Tallying the potential benefits in fewer accidents, less fuel needed, and more road capacity.
Palo Alto thinks so.
If engineers can build bots that can land themselves on Mars, surely they can produce less sophisticated systems for our vehicles.
Breathing walls, noise-to-music converters, and more.
Can buildings full of machines make good neighbors?
Twenty-something Americans drive about 20 percent less today than their parents.
Eight years of "outstanding ideas for vertical living," courtesy architectural magazine eVolo.
Even the most ubiquitous technologies eventually disappear.
How the world's wealthiest cities can beat back climate change.
Imagining a guidebook for the city in 2025.
The science fiction writer discusses how technology is changing cities.
What would happen if you took every neat idea in the realm of public works and piled them all onto one city vehicle?
A London designer gives the staid solar car a badass, stealth-bomberlike makeover.
Not content with putting a man on the moon in 1969, the aeronautics agency once aimed to create an entire space-based neighborhood.
A new kinetic sculpture in Los Angeles envisions a city with smoothly flowing cars traveling at 240 mph
NASA's 1970s ideas for creating colonies between the Earth and the moon