Timothy Lipman, PhD, is an energy and environmental technology, economics, and policy researcher with the University of California - Berkeley. He is currently serving as Co-Director of the Transportation Sustainability Research Center (TSRC), based at the Institute of Transportation Studies. He is also a Research Affiliate with the Lawrence Berkeley National Laboratory and a Lecturer in the UC Berkeley Department of Civil and Environmental Engineering. Dr. Lipman’s research focuses on electric vehicles, fuel cell technology, combined heat and power systems, renewable energy, and electricity and hydrogen infrastructure. He completed a Ph.D. degree in Environmental Policy Analysis with the Graduate Group in Ecology at UC Davis (1999) and also holds an MS degree from UC Davis in Transportation Technology and Policy (1998) and a BA degree from Stanford University (1990). He is Chair of the Alternative Transportation Fuels and Technologies Committee of the Transportation Research Board of the National Academies of Science and Engineering, a member of the Hydrogen and Fuel Cell Technical Advisory Committee (HTAC) for the U.S. Department of Energy, and on the editorial board of the International Journal of Sustainable Engineering.