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Dax Shepard goes full throttle

Dax Shepard leaned on his Hollywood acting friends to fill out the cast of his new movie, Hit and Run, that hits theaters on Aug. 24. (Watch the movie trailer here.) But he wrote the script with his "stars" in mind--a hot-rodded 1967 Lincoln Continental and a Tatum Baja 1000 racer that he keeps in his garage.

Five most-watched car ads of 2011

Page views: They're life and death on the Web, and for an automaker trying to make an advertisement go viral, page views and the eyeballs viewing them are what it's all about. This year was big for the top-five viral automaker ads: Volkswagen's “The Force” spot hit 63 million views, while Fiat grabbed 27 million with its Jennifer Lopez song. The Chrysler “Imported From Detroit” Super Bowl ad was next, with 22 million views.

Hummer nears the end of the trail

The curtain is rapidly falling on Hummer, General Motors' ill-fated rough-and-tough brand of trucks and SUVs. The final H3 rolled off the assembly line at 9:07 a.m. Central time on Tuesday at the Hummer factory in Shreveport, La., marking the end of production for the brand, a spokesman said.