Pieper was a carmaker in Belgium. In 1900, Henri Pieper of Germany introduced a hybrid vehicle with an electric motor/generator, batteries, and a small gasoline engine. It used the electric motor to charge its batteries at cruise speed and used both motors to accelerate or climb a hill. The Pieper factory was taken over by Imperia, after Pieper di... Found on http://en.wikipedia.org/wiki/Pieper