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Race Recap: Rolex 24 at Daytona was fast and feisty

Let the record show that victory at the 2015 Rolex 24 at Daytona went to the No. 02 Chip Ganassi Racing with Felix Sabates Target/Ford EcoBoost Riley DP driven by Verizon IndyCar drivers Scott Dixon and Tony Kanaan and NASCAR drivers Jamie McMurray and Kyle Larson. The winner did 740 laps to cover 2,634.3 miles in 24 hours and 57.667 seconds. That's a statement to this year's pace in spite of 18 cautions, two more than last year: the Michael Shank Racing Ligier got pole with a time of 1:39.194, slower than last year's pole time of 1:38.270; however, the winning car last year only did 695 laps. The fight for top honors was shaved to a four-car battle over the first third of the event. The No. 02 Ganassi car took the lead on the first lap, swapping it well into the night with the No. 01 Ganassi car, the No. 10 Wayne Taylor Racing Corvette DP, and the defending champion No. 5 Action Express Corvette DP, all of them staying within about 20 seconds of one another. The Action Express car had a fuel connector come loose and lost three laps getting towed back to the pits to have it reattached, but was back in the lead 18 hours in. The No. 01 Ganassi car dropped out with recurring clutch problems 22 hours in, retiring not long after. A race-within-the-race is where the concluding action happened, a seven minute, 30-second dash from the end of the last caution to the checkered flag. During the penultimate pit stops with an hour to go, Dixon was in second place followed Jordan Taylor in the Wayne Taylor Racing DP into the pits but beat him out, taking the lead. The Action Express car was in third. In the last pit stops of the race, Dixon gained even more time, getting a four-second advantage over Taylor. Then a full-course caution came out twenty minutes before the finish when a Prototype Challenge car hit the wall and caught fire, bunching up the field. That closed the pits, but the Wayne Taylor Racing car had to pit during that yellow because of a miscalculation of driver time. No driver can be behind the wheel for more than four hours in a six-hour period but Jordan Taylor was going to go over, so he came in to swap out for brother Ricky. That cost the team any chance of second place, since they took an additional drive-through penalty for entering closed pits. When the track went green again, Sebastien Bourdais in the Action Express car stayed all over Dixon for the final five laps but couldn't get around him.

2017 Audi A4 Allroad ups the Avant

Can't decide between a wagon and a crossover? Audi offers both, of course, but it will also split the difference with the new A4 Allroad Quattro. It's based on the latest A4, but offers the extra cargo space, rugged look, and increased ride height of a crossover, without the added bulk that usually goes with it. Unveiled today at the Detroit Auto Show, the new A4 Allroad starts life as an A4 Avant wagon, but features a number of upgrades that ought to appeal to the elegantly outdoorsy among us. All-wheel drive comes standard, of course, and ride height is increased by a little less than an inch. Combined with the larger wheels, that nets 1.3 inches more ground clearance for getting through snow banks and whatnot. The suspension uses a five-link setup at both ends. The rugged look is further accentuated by the flared fenders, new rear bumper, underbody guard plates, and roof rails. Otherwise it's essentially the same as the new A4 we've already seen. Motivation is provided by a range of TFSI and TDI engines ranging from 150 horsepower to 272, mated to either a six-speed manual, seven-speed dual-clutch, or eight-speed automatic transmission. That, of course, is on a global scale, with details on US pricing and availability to follow. In the meantime, you can scope out the live images from the floor of the Cobo Center in the gallery above, and the full details in the press release below. Perfect companion in any situation: the new Audi A4 allroad quattro - 34 millimeters (1.3 in) more ground clearance and "offroad" mode - Extroverted, individual design and extensive equipment - Powerful TFSI and TDI engines, quattro drive standard The new Audi A4 allroad quattro* embodies a unique concept: It combines high driving comfort with off-road qualities, thus enjoying a unique position in its segment. Thanks to the standard quattro drive and increase ground clearance, it also keeps on driving where the paved road ends. The new Audi A4 allroad quattro is defined by its individual look. The powerfully flared wheel arches and the rear bumper attract attention. They are finished in matt structure gray or painted in the body color. The robust underbody guard and the rear diffuser are finished in selenite silver. The sporty, distinctive front end with jagged headlights, unique bumper and model-specific air intakes underscores its extroverted character. Vertical chrome slats adorn the sculpted Singleframe grille.

Delphi thrilled with results from autonomous car's cross-country trip

In the first trip across the United States ever made by an autonomous car, engineers from Delphi Automotive were surprised to learn that, in some cases, their vehicle behaved a lot like a human driver. "The car was scared of tractor trailers," said Jeff Owens, the company's chief technology officer. "The car edged to the left just a little bit when it would pass trucks, and that was an interesting observation." Engineers made hundreds of notes throughout the drive, as the autonomous car covered 3,400 miles through 15 states en route to a showcase near the New York Auto Show. Overall, company officials said the car performed better than anticipated in a variety of road and weather conditions. In the course of the cross-country drive, drivers actually controlled the car only for about 50 miles, and those cases were limited to on-and-off ramps and the occasional construction zone where lanes were not marked or only sporadically marked. The purpose of the trip was to glean information on how the autonomous car worked in a real-world environment. Google and others have tested autonomous cars and autonomous features in select real-world environments before, but Delphi's adventure was the first to trek into a test with such varied challenges over a nine-day trip that began near the Golden Gate Bridge on March 22. There are some things the engineers have already learned, like the fact the camera systems had the occasional blip when the sun-angle was low. And there are some things to still be learned, as they pour over three terrabytes worth of data from cameras, radar and lidar sensors in the weeks ahead. "It's going to take us a couple weeks to digest all this," Owens said. "But we had all the data from tests. It was time to put this on the road." Built into an Audi SQ5, the vehicle was striking, if only for the fact it looked like a normal car. Many other autonomous vehicles have quirky sensors atop the roof or other features that make them stand out as experiments. Delphi arranged this one to look as much like a normal car as possible, right down to stowing an army of computers under cargo mats, so the rear contained as much trunk space as the production model. If a fellow motorist didn't know where to look -- or take the time to notice the person in the driver's seat didn't have their hands on the wheel -- there was no reason to suspect this was anything other than a regular car.