Renewable energy potential of rice straw and paunch manure as bioethanol feedstocks in Central Java, Indonesia

Almost all farmers are unaware that rice straw and paunch manure are potential feedstocks for bioethanol besides organic fertilizer, biochar, and biogas. Farmers' perceptions regarding the multiattributes of bioethanol development are still underestimated, indicating that farmers are still indecisive about the potential use of rice straw and paunch manure as feedstock for bioethanol. They still need extension and training to improve their knowledge. The Location Quotient (LQ) value of rice straw and cattle paunch manure is > 1, indicating that Karanganyar Regency could become a base for bioethanol development from rice straw and cattle paunch manure.