Capping a strong week that included the naming of its first-ever female CEO, General Motors landed three of the six spots in the final round of judging for the coveted North American car and Truck of the Year awards. A jury of 48 U.S. and Canadian journalists – is preparing for the final round of balloting before the two awards are handed out next month in Detroit. Other brands among the contenders are Acura, Jeep and Mazda.