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,
DR1 diesel train every trainset before being refurbished Driving motor - Trailer - Trailer - Trailer - Trailer - Driving motor (3 to 5 trailers) Revised For DR1AM/DR1BJ/DRL1/MDP Driving trailer - Trailer - Driving motor In Soviet Union communter trains hadn't got 1st or 2nd class seats, every seats were equal. GoRail's DR1B sets were equipped with space for bicycles (like Western Europe's trains). A diesel locomotive in City 17 of Half-Life 2 computer game looks like a DR1A's driving motor car, but with several differences, designated as ESD4. DR1 diesel train The DR1 diesel-electric trainset was manufactured by Rīgas Vagonbūves Rūpnīca from