Gov . Jennifer Granholm says auto industry 's future is electric . University of Michigan expert agrees Big Three need to move to electric cars . `` General Motors plans to make lithium-ion battery packs to power the Chevy Volt , which is expected to earn a fuel-economy rating of more than 100 mpg , '' she wrote . Comment:
Gov . Jennifer Granholm says auto industry 's future is electric . University of Michigan expert agrees Big Three need to move to electric cars . Comment: