The future of Detroit is electric cars , the governor of Michigan declared in an opinion piece on Newsweek 's Web site . Dr . Jennifer Granholm says auto industry 's car is electric . University of Michigan expert agrees . Three need to move to electric cars . Public opinion on energy conservation is pushing the envelope , expert says .
Dr . Jennifer Granholm says auto industry 's car is electric . University of Michigan expert agrees . Three need to move to electric cars . Public opinion on energy conservation is pushing the envelope , expert says .