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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.

Chrysler Sebring and Dodge Avenger to get a new lease on life

With Fiat-based replacements still at least two years away, the Chrysler Group has delayed plans to kill its slow-selling Chrysler Sebring and Dodge Avenger, sources say. The two sedans were all but left for dead by previous owner Cerberus Capital Management. Now insiders say Chrysler intends to freshen the cars and keep them on the market until late 2012.

2010 Nissan Altima gets light updates

The lightly updated 2010 Nissan Altima will start at $20,620 when it goes on sale on Monday. The biggest changes are visible at first glance, as the Altima is fitted with a restyled grille, hood, bumper and wheel designs. The base sedan with a 2.5-liter four-cylinder engine and CVT transmission is the entry-level car.