The Folding Bike

Three companies are already interested in cranking out thousands of copies of this compact cycle, and it might not even be exorbitantly expensive, perhaps less than $700.

Source: http://www.treehugger.com/files/2009/08/contortionist-folding-bike-video-dominic-hargreaves-royal-college-of-art-student.php?dcitc=th_rss