In this short video, Dr. Mark Mba Wright gives a broad overview of biofuels: from what they are to their technological requirements and challenges. This video is a follow-up of Dr. Mba Wright’s talk for the MIT Energy Club’s Energy 101 Series in 2011. Dr. Mark Mba Wright is a Postdoctoral Associate at MIT’s Department of Chemical Engineering. Video by Cristina Botero. 2012.