1 valuation of energy from coal fuel oil natural gas and biogas based on benefit cost analysis non monetary considerations serap kara mustafa 2 tuncay dögeroglu environmental engineering department chemical faculty architecture anadolu university 26470 eskisehir turkey abstract in this investigation only the fossil options alternative are considered for a specific amount needed tested mca their costs impacts risks reliabilities promise near far future applications results indicate that if sufficient technology adaptation renovations innovations can be realized an optimized mix option appears to justified may attract developing underdeveloped nations effectiveness sustainability management viewpoints keywords power fuels eia sustainable development globalization introduction today there is growing interest finding more effective ways achieving increased quality life all people living earth equitable allocation two primary resources minerals main concern respect towards improvement our style at any scale whether local national