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In Episode 1.1 of TRANSLOGIC, we introduced you to the HumanCar Imagine_PS, something that looks like a modern-day railroad car. What makes the Imagine_PS go is good old elbow grease (and a lot of it -- think of the vehicle as a four-man rowing machine), running on calories as opposed to carbons. The vehicle's two electric motors in the wheels generate about four horsepower (about the power of a weed whacker), creating what inventor Charles S. Greenwood calls a "bionic human hybrid." Drivers can

HumanCar Imagine_PS in action – Click above to watch video after the jump

Pedal-powered four-wheeled vehicles are nothing new. I used to ride around in a little go-cart thing when my family vacationed in Germany. But we rented the vehicles as a way to have fun, not for serious transportation. The HumanCar Company has updated the concept by giving the purely pedal-driven vehicles an electric motor and updated ergonomics. The company says that the "geometry prototype", has been "so successful that no changes have been required. Several downhill time trial runs have had