1. Systems Analytics
and Environmental
Sciences, Ford Motor Company, Mail Drop
RIC-2122, Dearborn, Michigan 48121-2053, United States
2. Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109-2125,
United States
3. HEV/FCV Vehicle
Research, Ford Motor Company, Dearborn,
Michigan 48121-2053,
United States
4. Copenhagen
Center for Atmospheric
Research, Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen, Denmark