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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.

GMC Canyon, Chevy Colorado diesels finally heading to dealers

Customers who have been waiting to receive their diesel-powered Chevrolet Colorados and GMC Canyons should be relived to hear that GM will finally start to ship them out of the Wentzville Assembly Plant. "The highly anticipated 2016 GMC Canyon diesel has begun shipping to dealers," a company spokesperson confirmed to The Detroit News. The trucks originally had a fall launch date, but a final review forced a delay in deliveries. The 2.8-liter four-cylinder diesel in the midsize trucks produces 181 horsepower and 369 pound-feet of torque, and the company touts the engine's low emissions. The Environmental Protection Agency and California Air Resources Board even put the mill through extra scrutiny with a real world test in the wake of VW's diesel scandal, and the Duramax passed with no problems. At that time, a Chevy spokesperson told Autoblog that the models' launch was on track. The Duramax engine adds $3,730 to the price of a comparable V6 model, but they're the most fuel-efficient pickups on the market. The EPA estimates the twins at 31 miles per gallon highway, 22 mpg city, and 25 mpg combined in two-wheel drive form and 29/20/23 with four-wheel drive. Buyers likely can't wait to finally experience these pickups after reading a heap of positive reviews. The Colorado diesel recently earned Motor Trend's Truck of the Year award. We also came away impressed with it during our First Drive and liked the Canyon during our Quick Spin. Related Video:

Weekly Recap: Electric Rapide concept showcases Aston's future

Aston Martin showed off an all-electric Rapide S prototype this week and announced an agreement with investment firm ChinaEquity to explore development of a production version of the sports sedan. The car could arrive in about two years if the project advances, and it would be built in Gaydon, England. The concept car, called the "RapidE" was developed with Williams Advanced Engineering. The electric Rapide is meant to highlight British innovation, and it was revealed during a state visit by Chinese president Xi Jinping to the United Kingdom. Spec were not available for the concept on display. "The car we showed in London is a fully running concept but not yet defining [of] our choice of battery, motor, inverter, etc," spokesman Simon Sproule said. "Now that we have a clearer path for producing the car, we will be defining all the parameters." Aston Martin has been vocal about its electric ambitions this year, and Sproule told us at the New York Auto Show that an all-electric Rapide could cost $200,000 to $250,000 or more. "It's a study, but we're serious about it," he said. Some reports have indicated the electric Rapide could pack as much as 1,000 horsepower. Aston considers electric technology the strongest play for modernizing its powertrains and meeting emissions standards around the world. Hybrids and all-electric models can offer high outputs and strong torque delivery, which is in keeping with the Aston's image as a sportscar maker. Company brass prefer this option over dropping down to four-cylinder engines. And yes, V8s and V12s remain part of the plan. The electric push is part of Aston's future strategy to remake its lineup, which includes refreshing its sportscars, building a production version of the electric all-wheel-drive DBX concept shown at the Geneva Motor Show, and adding a four-door Lagonda. OTHER NEWS & NOTES Domino's serves up purpose-built delivery car Domino's revealed a purpose-built pizza delivery car based on the Chevy Spark. It's called the DXP, for Delivery Expert, and it can handle up to 80 pizzas. The pies stay warm thanks to an oven located behind the driver's seat, and the DXP is sauced up with a puddle-lighting feature that projects the Domino's logo outside of the car. Power comes from the Spark's stock 1.2-liter four-cylinder engine rated at 84 hp that gets up to 39 mpg on the highway. Chevy dealers will be trained to service the DXP.