This week in Detroit, auto giant General Motors unveiled its newest hydrogen car prototype, the Sequel. We take a look at the Sequel and how it measures up to other green cars.
Tim Vail, director of business development for fuel cell activity at General Motors.
Ron Cogan, editor and publisher of Green Car Journal.
Daniel Kammen, director of the Renewable and Appropriate Energy Laboratory (RAEL) at the University of California at Berkeley.