Porsche Exclusive to offer Powerkit and Aerokit for 911 Carrera S

Porsche's in-house Exclusive custom division on Thursday introduced new power-enhancement and aero-enhancement kits for the 2013 Porsche 911 Carrera S. The Powerkit boosts the 3.8-liter flat-six engine's output to 430 hp, up from 400 hp. The extra power comes courtesy of redesigned cylinder heads and new camshafts, along with modifications to the electronic engine-management system.

Microsoft increases stake in auto industry

Having reshaped a big piece of the world's economy around its Windows software, Microsoft Corp. now wants to do the same thing in the car business. What the Seattle giant sees there says as much about the future of cars as it does about itself.

Detroit auto show 2011: the CAR Live Blog from NAIAS

CAR's review of the 2011 Detroit auto show - By Ben Oliver 3.30pm: Ian Robertson drives onto the stage in a Team USA-liveried Mini CountrymanCountryman sales are 30% above projected orders with 12,000 sold since launch, and the maxi Mini is now on sale in the US too. Marketing chief Robertson says 2010 was the best sales year ever with 234,000 Minis sold worldwide and sales were 8.1% up in the biggest market, the US. Launched 10 years ago at Detroit, Mini now has over 300,000 American owners, or 'fans' as Robertson's Facebook-savvy scriptwriter says.3.11pm: Big waves at HyundaiBP Hyundai's American boss John Krafcik introduces the new Curb concept, a cool Juke-sized crossover, and then the lovely little Hyundai Veloster (below).