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Monthly sales projected to rise 15 percent, J.D. Power says

December is shaping up to show the U.S. industry's strongest year-over-year sales increase of what's been a dismal 2009. Expect a 15 percent spike in new vehicle sales in December, powered by a retail surge, according to projections released today by industry forecaster J.D.

2015 BMW M4 Convertible debuts: drop-top fun priced from $73,425

The 2015 BMW M4 Convertible made its official debut at the New York auto show yesterday. While the details of the high-octane hardtop didn't exactly catch us off-guard (see our full breakdown here), we now know how much it'll cost to feel the wind in your hair as you launch from 0-60 mph in 4.4 seconds: $73,425, to start. Complete pricing will be available closer to the M4 Convertible's sale date, which is “late summer” 2014, according to BMW.

Former Chevrolet Volt chief takes helm at Fisker

One of the key architects of the Chevrolet Volt is taking the helm of Fisker Automotive. Tony Posawatz, a veteran General Motors executive, has replaced former Chrysler CEO Tom LaSorda as chief executive of Fisker. LaSorda had just taken over as CEO in February, after joining the company in late 2011.