Some vehicles have a clutch and three or more wheels, allowing the operator to continue pedaling and charge up the electricity-storage device during traffic stops.
See also
Pedelec – Bicycle where the rider's pedalling is assisted by an electric motor
Quadricycle – Small motorized four wheeled vehicle
Motorized quadricycle – EU vehicle category for four-wheeled microcarsPages displaying short descriptions of redirect targets (Microcar – Smallest automobile classification)