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,
Trident (car company) Trident (car company) Trident Cars Ltd was a British car manufacturer based originally in Woodbridge, then in Ipswich, Suffolk between 1966 and 1974, and again after being restarted in 1976 from premises in Ipswich. The new company stopped production in 1977-78. Their first car, the prototype Clipper convertible, was based on a prototype TVR model which had two seater coupe steel and aluminium bodywork styled by Englishman Trevor Frost (also known as Trevor Fiore, and also responsible for the Elva GT160) and built in Italy by Carrozzeria Fissore. This TVR Trident Coupe was shown at the 1965 Geneva Motor Show