抄録
In recent years, air pollution and depletion of oil resources become major issues all over the world. So environmental products and environmentally sensitive technologies are required. And fingers are pointing at importance of long-term using products for the construction of cycloid type society about resources is requested. Therefore this study proposes the concept of the product up-grading by exchanging main components. Applying this manufacturing concept, long-term use and the early intake of the new technology will be possible. In this study, we adopted the aotumobile as an example of the product up-gradig and actually converted internal-combustion engine vehicle to electric vehicle (EV). And we tested its performance. In addition, we attempted to make certain of effect by bringing in the prduct up-grading. Then we got the design guide aiming at conversion.
