There is increasing interest in producing ethanol from cereal grains for use in motor fuels. Ethanol-blended fuels offer several advantages over regular gasoline including protection from gas line freezing, higher octane ratings and the potential to reduce motor vehicle greenhouse gas emissions. To produce ethanol, grain is milled, mixed with water and cooked. Enzymes are added to the mixture to convert starch to sugar and the sugar is fermented by the addition of yeast. After complete fermentation, the ethanol is removed by distillation and the remaining fermentation residues are dried and used for livestock feed. In Western Canada, wheat is the most common substrate used to produce ethanol. It is expected that the increase in ethanol production from wheat will lead to substantial quantities of wheat distillers dried grains with solubles (DDGS) being made available to the Western Canadian Livestock Industry. If swine producers are to use these products effectively, it is essential that their nutritional value be accurately assessed. The principle concerns in feeding wheat DDGS are its high fibre content which lowers the digestible energy content of the product and its low dietary lysine content which inevitably means that synthetic lysine must be added in order to provide a balanced amino acid profile. A feeding trial at the University of Saskatchewan confirmed that wheat DDGS should be limited to 5-10% of the diet during the growing period. However, it can completely replace soybean meal during the finishing period without detrimental effects on pig performance. Care should also be taken to properly balance the diets for all limiting amino acids.