1. Department
of Energy Resources Engineering, Stanford University, Stanford, California 94305-2220, United States
2. Department
of Civil and Environmental Engineering, Stanford University, Stanford, California 94305-2220, United States
3. Kennedy
School of Government, Harvard University, Cambridge, Massachusetts 02138, United States
4. Institute
of Transportation Studies, University of California, Davis, California 95616, United States
5. Systems
Assessment Group, Energy Systems Division, Argonne National Laboratory, Argonne, Illinois 60439, United States