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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.

Alfa Romeo 4C

The production version of the Alfa Romeo 4C will make its debut at next month's Geneva motor show, two years after the concept appeared. Largely unchanged from the prototype, the 4C retains its mid-engined layout, short and wide proportions (less than 4,000mm long, 2,000mm wide, 1,180mm high and a 2,400mm wheelbase) and broadly similar surfacing. The changes appear to be more focused around productionized details.

Pontiac G8 GXP

By Liz Turner Motor Shows 20 March 2008 10:57 The Pontiac G8 GXP, along with the Sport Truck and Solstice Coupe signaled a brighter future for the company when the production models roar off the forecourts from the Fall. GM car tzar Bob Lutz did a good job of apologising for recent dull-as-dishwater Pontiacs. ‘Pontiac lost its tradition of style and performance.