Featured in monorails

Monorail-Riding Robots Could Continually Rearrange Solar Panels to Follow the Sun
Archive Gallery: Thrilling Trains of the Future
Pedal-Powered Shweeb Monorail System Wins $1.05 Million in Google Innovation  Contest
The Future of Public Transportation Will Involve Personal Helicopters, Mag-Lev Cars and Zeppelins
Shweeb Human Monorail System Puts Your Feet in Control