Abstract: Ethanol fermented from renewable sources for fuel or fuel additives are known as bio-ethanol. Additionally, the ethanol from biomass-based waste materials is considered as bio-ethanol. Currently, there is a growing interest for ecologically sustainable bio-fuels. In Finland bio-ethanol is already used as additive in some gasoline products instead of toxic MTBE and TAME. Bio-ethanol production from potatoes is based on the utilization of waste potatoes. Waste potatoes are produced from 5-20 % of crops as by-products in potato cultivation. At present, waste potatoes are used as feedstock only in one plant in Finland. Oy Shaman Spirits Ltd in Tyrnävä (near Oulu) uses 1.5 million kilograms of waste potatoes per year. Therefore, the aim of this study was to develop different analytical methods for bio-ethanol production from waste potatoes and to study the effect of potato cultivar on bio-ethanol production.

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