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Detroit Auto Show roundup

The 2012 NAIAS in Detroit, MI has proved to be exactly the dose of salts the US auto industry so desperately needed after a few very lean years for the event. Numerous concept and production cars made their debuts in the halls of COBO and, as ever, Car Design News was on hand to provide our in-depth live show coverage. Here's a full rundown of our reportage from NAIAS 2012: Acura Acura NSX Concept: Living up to the name Cadillac Cadillac ATS: Finally breaking into the premium mainstream?

40 Years of Mmmm

In 1972, the Dow Jones closed above 1,000 for the first time, the Olympic Games in Munich were marred by the killings of 11 Israeli athletes, gasoline averaged 55 cents a gallon, Bobby Fischer became the world chess champion and the last U.S. troops withdrew from Vietnam. It was also a notable year for German automaker BMW, as that year saw the birth of its famed M division.

BMW M550d xDrive (2012) - the diesel M saloon

BMW has launched its first diesel M car: the new M550d xDrive in saloon and Touring estate forms. It's part of a strategy to fill the gap between the exclusive M GmbH division cars and the top-end cosmetic M Sport trim lines with a new range of M lite: BMW M Performance Automobiles. Developed by the engineers responsible for the M3, M5 et al, the new M550d xDrive is powered by a new high-output version of the 3.0-litre straight six turbodiesel packing not one, not two, but three turbochargers.