Here's an odd little commuting curiosity from Romania called the Carpii 4ciclet. It's a four-wheeled stepper cycle targeted at older riders that transfers most of the pedaling work from the quads over ...

If the fun we had aboard Piaggio's MP3 is any indication, motorcycles with more than two wheels have a big future ahead of them. The additional stability and traction you get from a tilting ...

Famous British inventor James Bruton is relentless in his exploration of wacky robotics and unconventional mobility systems. The latest project he's been working on is a sidewinding chopper-style omni ...