Here is a working video of it on the streets of Vienna: http://www.youtube.com/watch?v=Pm8Xo7OvM4A http://www.youtube.com/watch?v=Pm8Xo7OvM4A It's novel but no

Here is a working video of it on the streets of Vienna: http://www.youtube.com/watch?v=Pm8Xo7OvM4A http://www.youtube.com/watch?v=Pm8Xo7OvM4A It's novel but not fast or practical. I would like to see this with an electric motor assisting the pedal power.