Abstract
The world production of biofuels, i.e. liquid transport fuels produced from agricultur- al products, has shown an unprecedented growth over the past decade (2000-2010); this growth is projected to continue for the coming decade. The increased demand for biofuels is mainly caused by government targets, set because of concerns over cli- mate change (Kyoto protocol), dependence on imported oil from politically unstable regions, and to create new markets for the agricultural sector...