A technology for oil extraction from distillers dry grains (DDG) (by an American company, GS Clean Tech), can potentially provide “two fuels from one corn kernel”: ethanol and biodiesel. A typical material balance for corn ethanol production would show that 10 kg of corn would yield about 3.3 kg ethanol as the main product, and 3.3 kg of distillers dry grains (DDG) as by-product. Distillers dried grains are produced by drying the liquid residue remaining after distilling-off of ethanol from the fermentation broth. Presently DDGs are commonly used as animal feed. DDGs are oil-rich residues which can be extracted to obtain a higher value-added product in the form of biodiesel. The “patent-pending” corn extraction system from GS Clean Tech has the ability to extract 75% of the oil entrapped in the DDG. The company announced the implementation of an agreement with the company, Northeast Biofuels, to “extract about 10 million gallons per year of crude corn oil from the distillers grain co-product from NEB’s new 114 million gallon per year dry mill ethanol plant”. The plant is scheduled to begin operations later this year”. Biodiesel is produced from the extracted oil via the chemical route, known as “transesterification”; the oil is added with methanol (often with a catalyst) and allowed to react to produce the biodiesel. From the product website, a thermochemical route for producing biodiesel directly from DDG (via BTL, or biomass to liquids technology) is also shown..