with the current gas situation
imo
The Waveboat attaches to a Jet Ski in under 60 seconds and effectively turns your personal watercraft into a boat. It costs $8,000 but is currently only available for attachment to Yamaha Waverunners.
LA Design Challenge 2007http://www.cardesignnews.com/sit…
walk, bike, bus...some things shouldn't change
The Fifth Element + Minority Report
It's already out, and it's a near future for me:
For your kids