 The whole process of the production of biofuel from the choice of cellulosic biomass feedstock to the conversion into sugars and fermentation through to the purification will be optimised under industrial conditions.In Straubing, the specialty chemicals company Clariant has been operating a precommercial plant based on its sunliquid process since 2012.The plant is able to produce up to 1000 tons of cellulosic ethanol from agricultural residues such as wheat straw, corn stover or sugarcane bagasse.