Originally Posted by happycheapskate
YouTube - Steam Bike (steam powered bicycle)
Steam powered bicycles have been done, and some done well. I'd like to see a resurgence of them, esp with a small piston engine and roller drive or gearbox type setup, and more streamlined look.
I'd like to see a resurgence too, but don't expect it as they really aren't practical or inexpensive. They're interesting and fun as big toys, though.