The leader of General Motors Co.'s commercial business in North America, Sandor Piszar, is departing. The vice president of GM's Envolve business unit, which serves the automaker's fleet customers ...

It couldn't carry a lot of people. It had no armor. Narrator: So the Pentagon gave AM General a billion-dollar contract to develop a fleet of High Mobility Multipurpose Wheeled Vehicles.

And while we haven't heard much about the General Motors fleet-only crossover since its debut a little over one year ago, it's making headlines now because of a potentially faulty parking brake.