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
Edwards Rail Car Company (1997–2008) motors. Hydrostatic propulsion employs the use of diesel engine to power a hydraulic pump which supplies pressurized fluid to two 100 H.P. hydraulic motors on the front truck, in place of the final drive gear box as per the mechanical set-up for the standard Model-20. Edwards Rail Car Company manufactured several streetcars, to a modified Peter Witt streetcar design. Edwards Rail Car was awarded a contract to facilitate some aspects of the restoration of John Ringling's private business car, the Wisconsin. Originally built by Pullman in 1905, it was used by the Ringling family for travel with the circus. The