5 illustration of aim japan this chapter explains the case setting up process data estimation scenario design and selected tentative results are described in following sections 1 start year end discount rate is chosen as 1998 calibration for energy consumption co 2 emission done 2000 2020 assumed 30 questionnaire survey we executed companies households showed that payback period saving technology was about three years set so to fit on choice sectors services demand industry further divided into steel cement petrochemicals paper agriculture mining construction food textile other chemicals ceramics non ferrous metal machinery manufacture residential commercial transportation production conversion supply electricity generation oil refinery town gas industrial sector outputs main products denoted by weight used final service industries value added