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More executive upheaval as GM changes CFO

Chris Liddell, the onetime executive hotshot hired from Microsoft and rumored to be a candidate for CEO, is leaving General Motors on April 1. The 52-year-old will be replaced by Dan Ammann, 38, who is GM’s treasurer. Liddell oversaw GM’s historic return to the stock market last year after its 2009 bankruptcy.

2013 Audi S8 engine tech laid bare in new videos

Here's one for the tech geeks: Earlier this month we drove the 2013 Audi S8 sedan, where we came to the conclusion that the 520-hp, 4.0-liter twin-turbo V8 was just right for the executive-class cruiser. The S8 is a heavyweight, but it moves like a cruiserweight or better. The 0-to-60-mph sprint takes just 3.9 seconds, or about the same amount of time it takes to sneeze, wipe your nose and get blessed.

Mark Vaughn: We’ll always have Vegas

There were a few bare spots on the floor of the Consumer Electronics Show this year, spots that in previous years had been jammed sardine-like with myriad Taiwanese makers of Hello Kitty knockoff cell phone cozies and electronic barking dogs, but the show this year was nonetheless pretty well attended. Besides, for those working their way upstream through the aisles like so many digitally trained trout, the empty spots left by exhibitors that pulled out were like refreshing mountain meadows or little piazzas in crowded Italian cities. Show management stocked the open spots with cushy couches, too, on which many a jet-lagged showgoer snoozed.