System Dynamics of Supply Push Strategies Governing the Transition to Biofuel Vehicles in a Market-oriented Renewable Energy System." Shafiei, Ehsan, Brynhildur Davidsdottir, Jonathan Leaver, Hlynur Stefansson, Eyjolfur Ingi Asgeirsson, and David R. Keith. Energy Vol. 94, (2016): 409-421.