History of the diesel car and considerably lighter than the in-line six-cylinder it also replaced, this 3.0L V-6 produces 165 kW (224 hp) at 3,800 rpm and max torque of 510 Nm (376 ft·lbf) at 1,600-2,800 rpm and makes use of a four-valve head. Additionally, fitment of Mercedes-Benz BlueTec system, a concert of emissions control strategies, renders this new diesel 50-state legal in the U.S. beginning in 2008 (stringent NOx limits have made U.S. passenger-car diesels unpopular or impossible in parts of the U.S. in recent years). In 2006, the new Audi R10 TDI LMP1 entered by Joest Racing became the first diesel-engined car to
Ralston Steel Car Company and was producing 25 to 30 cars per day, and as many as 40 per day was possible. After the war, however, demand for new freight cars plunged, since so many had been built during the war. Ralston was unable to ride out the slowdown and shut its doors in 1953. Ralston Steel Car Company The Ralston Steel Car Company operated in Columbus, Ohio, from 1905-1953. The company began by modifying wood freight cars to add steel underframes. Later it manufactured its own line of all-steel rail cars. Joseph S. Ralston and Anton Becker founded the Ralston Steel Car Company