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,
Diesel Trains Ltd Rail. The order itself was to encompass a total of 61 trains, with 19 four-car and 42 three-car. Following the announcement in August 2009 that the Great Western Main Line was to be electrified, the order for 202 DMUs was cancelled. After lying dormant for three years, Diesel Trains Ltd was dissolved in July 2012. Diesel Trains Ltd Diesel Trains Ltd was a company set up by the Department for Transport (DfT) in 2009 with the intention of funding and managing the procurement of up to 200 diesel multiple unit vehicles as part of the British Government's planned purchase of