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The 500-hp club: The room is getting crowded

At a time when fuel economy counts for just about everything, there's still a horsepower war raging in the United States. The number of fire-breathing wedge-shaped supercars and hot sedans and coupes that can pump out 500 hp or better has nearly doubled in the past five years to more than 70. A decade ago there were just two members of the 500 hp club in the United States: the Ferrari 575M and Lamborghini Murcielago.

New Audi RS4 Avant (2012 / 2013) caught on video

2012 / 2013 Audi RS4 Avant If you want something that’s very quick but still every day practical; a car non petrolheads will just think is another estate, but those in the know realise is something special, you could do a lot worse than the new Audi RS4 Avant. Audi are out playing at the Nurburgring with the new RS4 Avant, which we expect to arrive in Spring 2012 at the Geneva Motor show. It’s clear from the video that the RS4 Avant gets wider front and rear tracks, the de rigueur set of blistered wheel arches, big brakes, big alloys and the trademark oval tail pipes.

Car 'not at fault' in Paul Walker crash

INVESTIGATORS have found no evidence that the Porsche carrying actor Paul Walker had mechanical problems before it crashed, killing the Fast & Furious star. The investigation also ruled out debris or other road conditions as causing the car in which Walker, 40, was a passenger to slam into a lamppost and tree and burst into flames. "We're looking at speed and speed alone," a law enforcement source said.