3.08 The energy balance in ethanol production is generally not serious problem in sugarcane - based systems where excess ... it will be fuelwood , starch starch or sugar crops for ethanol or vegetable oils as diesel fuel substitutes .

3.08 The energy balance in ethanol production is generally not a serious problem in sugarcane - based systems where ... of whether it will be fuelwood , starch or sugar crops for ethanol or vegetable oils as diesel fuel substitutes .