An engine produces power, which is distributed by a power distribution device to an electric generator and a rear wheel. A motor produces power other than that produced by the engine to drive the rear wheel. A battery stores electricity generated by the electric generator and supplies electricity to...http://www.google.com/patents/US20060289208?utm_source=gb-gplus-sharePatent US20060289208 - DRIVING DEVICE FOR HYBRID VEHICLE, AND HYBRID VEHICLE INCORPORATING THE SAME