History of the diesel car featured an aluminium block, DOHC chain driven valvetrain, common rail direct injection and variable geometry turbocharger. In Spring 2005, Mercedes-Benz unveiled their first application of a mass-produced aluminum block diesel engine for passenger vehicles and commercial use. While aluminum is traditionally considered of inferior strength and temperature resistance to withstand diesel applications, Mercedes engineers made extensive use of CAD/CAM design to arrive at an aluminum block that would meet with Mercedes' testing and reliability standards. First use was in 2006 model-year vehicles in the E-Class sedan and ML-class and GL-class SUVs. Similar in weight () to the five-cylinder it replaced,
Edwards Rail Car Company (1997–2008) Wisconsin is on display at the John and Mable Ringling Museum of Art in Sarasota, Florida. Edwards Rail Car Company (1997–2008) Edwards Rail Car Company (1997–2008) was located in Montgomery, Alabama, specializing in the manufacture of self-propelled rail cars patterned after original Edwards designs dating from the mid-1920s. Edward's also restored and manufactured other types of rail cars, including streetcars. Rebirth of the Edwards Company came in the fall of 1997 when Vintage Rail Consultant Steven Torrico saw and rode on his first Edwards car, an ex-CB&Q Model-25. 2008 was the last year of manufacturing at the Montgomery facility. As