Lewis Fulton is co-director of Sustainable Transportation Energy Pathways (STEPS), University of California, Davis. He has worked internationally in the field of transport, energy and environment analysis and policy development for over 20 years. Fulton is co-director of the STEPS Program within the Institute of Transportation Studies at the University of California, Davis, where he helps lead a range of research activities around new vehicle technologies and new fuels, and how these can gain rapid acceptance in the market.