Inventor Chris Hoffmann’s brainchild looks a little like a motorcycle that’s undergone an amputation. The machine stands at waist-height, has a sloping seat and a bulky wheel below the handles. This "micro-cycle" is the prototype of a product that Hoffmann hopes will help transform his Vancouver, Washington, start-up, Ryno Motors, to mitigate urban traffic.After Hoffmann's 13-year-old daughter saw something similar in a video game, after she saw something similar in a video game. Now,...
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