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,
Keith Car & Manufacturing Company Keith Car & Manufacturing Company The Keith Car & Manufacturing Company is a former railroad car manufacturing company that was located in the village of Sagamore in Bourne, Massachusetts. Operational between 1846 and 1928, the plant employed up to 1,400 people at a time. The company was founded in 1846 as Keith and Ryder and manufactured carriages, stage coaches, and prairie schooners. The company eventually switched over to manufacturing rail cars, in a plant that stretched about a mile long. In the early 1900s, the plant employed hundreds of Italian immigrants, many of whom lived in the area. Following the