For decades, General Motors was king of the highway and queen of the rails. In addition to mass-producing buses, cars and trucks, the automaker was once the largest locomotive builder in the world. At a massive factory just west of Chicago, GM’s Electro-Motive Division (EMD) assembled powerful machines that helped transition American railroads from steam to diesel.
America's newest national park recently opened on the South Side of Chicago. The Pullman National Monument celebrates the unique history of a company that mass-produced freight and passenger rail cars at the site from 1881 to 1981.
When General Motors opened the Detroit Transmission plant in Livonia, MI, in 1949, the 1.5-million-square-foot facility sym-bolized the resounding success of the most popular component in American automobiles—the Hydra-Matic Drive transmis-sion.