One kind of the utilization of biomass energy is the conversion of biomass . The biomass conversion results could be biogas, bioethanol or charcoal, etc. There is also biofuel resulted from biomass conversion results . Bioethanol also be a new potential options for use in industrial waste and agricultural waste and biomass energy are successfully converted . Bioethanol itself is a result of the conversion of renewable biomass, in addition to the production that involves a lot of agricultural waste and industrial waste .