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For new CAFE rules, automakers place high-stakes tech bets

Game-changing 2015 fuel economy rules are forcing vehicle development teams to make high-stakes bets on expensive technologies--bets that will separate the winners from the also-rans. Not only do federal rules target a 2015 fleet average of 35.5 mpg, up from the current 27.5 mpg for cars and 23.1 mpg for light trucks; they force automakers to bet on different technology packages for each vehicle segment. Companies that do best at mixing technologies while keeping down costs will have an advantage when buyers wince at higher stickers.

Porsche 911 GT3 RSR (2008): first official pictures

By Tim Pollard First Official Pictures 13 February 2008 11:42 Porsche today unveils a new, more powerful version of its 911 racer. The GT3 RSR competes in GT2 long-distance races, including Le Mans, Spa and the 24-hour Nurburgring event and will benefit from new aero aids and engineering tweaks. Additional front ‘flicks’ spoilers are added to the front apron and extra air ducts pepper the steel bodywork, while the huge rear wing is carried over from last year’s racer.

Jag hops on Super Bowl ad bandwagon

Jaguar is preparing to tout the brand's British roots in a new advertising campaign called "British Villains" that will be its largest ever and include its first Super Bowl commercial. The campaign will be used to launch the new F-Type coupe that debuts at the Los Angeles auto show later this month and goes on sale in April. The 30-second Super Bowl commercial will run during the second half of next year's event on Feb.