Actually, what he makes is a tricycle as it has got three wheels. But never the less it is a light framed vehicle which we usually think to be a modification of a bike. The most important thing in this thing is its steam engine. Yes, it runs on energy of burning coal or wood and boiling water. Oil crisis? High electric power costs? Total collapse of the grid? No worries, just go get some dry firewood from the nearest forest and you are good to go at pretty awesome high speeds. They definetly should put this thing into the next Mad Max movie!