A navigation system includes a navigation center and a plurality of navigation apparatuses each of which has a data storage that stores various information. In this navigation system, data (coordinate data of each of traveling intersections) concerning a r...

A hybrid vehicle controls operation of an engine, a generator and a motor to retain driving comfort. The engine and the generator are connected through a planetary gear unit to a drive shaft, and the output of the engine 1 is split between the generator an...