Mack Trucks is investing $14.5 million to expand its Roanoke Valley Operations (RVO) manufacturing facility in Virginia to prepare the plant for higher demand for the Mack® MD Series and Mack MD Electric vehicles. “Mack is committed to making the industrial and product investments we need to be a North American market leader,” said Stephen Roy, global president of Mack Trucks. “The expansion of the RVO plant will help us grow in a strategic market segment and support our sustainability goals.”