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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.

BMW M5 celebrates 30th birthday, promises a surprise

The BMW M5 has been with us for 30 years. That's right: The E28 premiered in the fall of 1984 as a 1985 model after its debut at the Amsterdam Motor Show. Even though its performance figures have aged somewhat (in the best way possible), it's important to remember that it was the fastest production sedan in the world when it premiered.

A life of Jaguars: a reader's Jaguarography

Way back in the early Sixties, my late father had a series of Jaguar saloons. Firstly there was a 1946 1.5 litre which he bought for £12. To me, at 12 years old, this car was magnificent, so much so, that I wrote to Jaguar at Coventry, telling them so, and in return I received three spiral bound brochures (with tissue interleaves) of their current range.