History of the diesel car Production diesel car history started in 1933 with Citroën's Rosalie, which featured a diesel engine option (the 1,766 cc 11UD engine) in the Familiale (estate or station wagon) model. The Mercedes-Benz 260D and the Hanomag Rekord were introduced in 1936. Immediately after World War II, and throughout the 1950s and 1960s, diesel-powered cars began to gain limited popularity, particularly for commercial applications, such as ambulances, taxis, and station wagons used for delivery work. Most were conventional in design. Mercedes-Benz offered a continuous stream of diesel-powered taxis, beginning in 1949 with their 170D powered by the OM-636 engine. Later, in 1959
Bilevel rail car by diesel locomotives and include electric generators housed in the control car. In Iran, the Tehran-Hashtgerd suburban commuter line is served with electric push-pull hauled trainsets with double-decker carriages manufactured by Wagon Pars in Iran. In South Korea, ITX-Cheongchun, the express train of Korail uses double-decker. Because of the two levels being separate on most cars, there is a physical limitation on a single conductor, as it can be difficult for him or her to verify, collect payment and sell tickets to passengers on the two levels. In 1955, the St. Louis Car Company came up with a solution in