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Former GM exec Joel Ewanick joins Fisker

Fisker Automotive has hired ousted General Motors' global marketing boss Joel Ewanick to be interim chief of global sales and marketing for the maker of luxury plug-in hybrids. Ewanick, 52, will replace industry veteran Richard Beattie, 58, who announced his retirement Monday, Fisker spokesman Roger Ormisher said. Ewanick has been working with Fisker as a marketing consultant for at least six weeks and will fill Beattie's role until a full-time replacement is named, Ormisher said.

Porsche names new motorsports chief for North America

Jens Walther has been named president and CEO of Porsche Motorsport North America, the automaker said Friday. Walther, 41, will take over for Paul Ritchie, who has retired. Walther managed Porsche’s One-Make Cup program before his appointment.

Policy, green cars take center stage at Washington auto show

Public policy and the ultimate impact it has on consumers' cars was the hot topic on Thursday at the Washington auto show, as companies vied to show off and explain their latest fuel-efficient technologies under the watchful eyes of regulators and government officials. Notably, Chevrolet announced plans to roll out an "Ecologic" environmental label on the 2012 Sonic, with other vehicles to follow. Sort of like nutrition labels for food, Chevy's version will explain the environmental impact of cars throughout their life cycles.