Assumptions in the European Union biofuels policy: frictions with experiences in Germany, Brazil and Mozambique http://www.crepeweb.net/wp-content/uploads/2010/07/franco-et-al_eu-biofuels_jps_prodn-corr.pdf

Each argument in turn involves several assumptions about what these putative benefits mean and how they can be fulfilled. In major respects, such assumptions are contradicted by practices, experiences and effects. Policy aims are sometimes impeded by conflicts among biofuel promoters, as well as between others who may be adversely affected. More than simply inconsistencies, here contradictions mean frictional encounters and practical dilemmas. For example, treating land as ‘marginal’ can justify its appropriation for agro-industrial biofuels, but may provoke protest from local poor people being dispossessed