lnstitute of Agronomy Department of Agriculture describes the " ethanol " that ethanol is a type of alcohol . Fermenting plants such as crop residues , bagasse, sugar cane molasses , beet , sweet potato , cassava , cereals such as rice, maize, wheat, barley , sorghum , to convert starch into sugar plant . And convert sugar into alcohol Purified from 95 % alcohol by volume , called " ethanol ", which can be used as fuel 3 forms .