This innovative bike was the winning submission in the Innovate or Die competition. This unique invention is a tricycle with a built in water filtration system. At the back it has a large water container for unpure water. When you start riding the bike you pump the water from that container through a filter system and to a smaller container at the front of the bike that gets filled up with clean water.
But you don't always have to go for a ride to clean your water. There is a clutch where you can detach the wheels from the pedals so that you can start cleaning the water with out moving the bike. That way, it is also a stationary water filtration system that needs no electricity, coals, oil or any other outside source. Only physical energy.