* Towards Sustainable Production and Use of Resources: Assessing Biofuels by the United Nations Environment Programme, October 2009.
* Sustainable Biodiesel Alliance* International Energy Agency: Biofuels for Transport - An International Perspective* National Biodiesel Education Program, University of Idaho—unbiased, science-based information on biodiesel for biodiesel producers and distributors, fleet operators, farmers and feedstock producers, policy makers, and consumers.