2nd Generation Feedstock refers to feedstock not suitable for food or feed. It can be either non-food crops (e.g. celluloseCellulose is the principal component of cell walls in all higher forms of plant life, at varying percentages. It is therefore the most common organic ... More) or waste materials from 1st generation feedstockCarbohydrate rich plants such as corn or sugar cane that can also be used as food or animal feed are called food crops or 1st generation feedstock. Br... More (e.g. waste vegetable oil). [bM 06/11]