Timothy Lipman, PhD, is an energy and environmental technology, economics, and policy researcher with the University of California - Berkeley. He is serving as Co-Director for the Transportation Sustainability Research Center (TSRC), based at the Institute of Transportation Studies. Dr. Lipman's research focuses on electric vehicles, fuel cell technology, renewable energy, and electricity and hydrogen infrastructure. 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.