Putrasari, Yanuandri; Praptijanto, Achmad; Santoso, … - In: Energy reports 2 (2016), pp. 237-245
Fossil fuels as the main energy source of every country now predicted will be ended no more than 40 years. Therefore, alternative fuel such as biofuel has been developed by many countries including Indonesia. Indonesia as one of the highest populated country and has wide areas of agriculture,...