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2017 North American Car, Truck, and Utility Vehicle of the Year finalists revealed

The finalists for the 2017 North American Car, Truck, and Utility Vehicle of the Year were announced Tuesday at AutoMobility LA ahead of the 2016 LA Auto Show. Approximately 60 judges, including Autoblog's editor-in-chief Mike Austin, evaluated over 40 vehicles and named three models as the finalists in each category. The award for the Utility Vehicle of the Year is new for 2017 and separates SUVs, crossovers, and minivans from pickup trucks. The finalists are: Car of the Year: Chevrolet Bolt Genesis G90 Volvo S90 Truck of the Year: Ford F-Series Super Duty Honda Ridgeline Nissan Titan Utility Vehicle of the Year Chrysler Pacifica Jaguar F-Pace Mazda CX-9 The winners for the 24th annual NACTOY awards will be named on January 9 at the Detroit Auto Show. Related Video: Chevrolet Chrysler Ford Honda Jaguar Mazda Nissan Truck Crossover Minivan/Van SUV Electric Luxury Sedan north american car of the year NACTOY

Chevy to resume engine-building program for 2015 Corvette Z06

One of Chevrolet's most popular and unique customer features is set to return for 2015, as the company has announced that the Engine Build Experience is back. Interested owners will be able to screw together their engines beginning in March. The $5,000 option (which does not include the cost of travel) will give future owners of the 2015 Corvette Z06 the chance to screw together their car's actual 6.2-liter, supercharged V8. Available on each of the Z06's three trims, the Engine Build Experience includes a day at the Performance Build Center, instruction from an engine assembly tech, photographs of the experience and a personalized engine plaque. Once the build process is completed, the engine will (eventually) be fitted under the hood of the customer's personal Z06. "Chevrolet recognizes the passion customers have for Corvette and the Engine Build Experience offers them a truly unique opportunity for hands-on involvement in the creation of the heart of their new car," Corvette product manager Harlan Charles. "It's important for customers to understand their engine won't be installed the day after they built it. It will flow into the scheduling process for vehicle assembly, which depends on a number of logistical variables." Scroll down for the official announcement of the Z06's Engine Build Experience, available below. Exclusive Corvette Engine Build Experience Returns Program renewed for supercharged LT4 engine at new Bowling Green build center 2015-01-07 BOWLING GREEN, Ky. – Chevrolet announced today it is resuming the exclusive Engine Build Experience for Corvette Z06 customers – the only program of its kind for supercar customers. Starting in March 2015, Corvette Z06 customers will be able to assemble the 650-hp supercharged LT4 engine for their cars at the new Performance Build Center inside the Bowling Green Assembly Plant. "Chevrolet recognizes the passion customers have for Corvette and the Engine Build Experience offers them a truly unique opportunity for hands-on involvement in the creation of the heart of their new car," said Harlan Charles, Corvette product manager. "It's a chance to bond with their new car." The Engine Build Experience is selected with order code PBC and is offered on all Z06 trim levels.

How GM engineers are using diaper 'snow' to keep you warm

Testing how snow affects General Motors' vehicles isn't really a problem right now for the company's engineers, but in the dog days of summer the process isn't exactly easy. The only real option is for them to book time at the automaker's climatic wind tunnel. However, a flash of brilliance from an engineer allows snow to be simulated regardless of the temperature outside, and the discovery is all because of his daughter's wet diaper. The realization came to GM Thermal Systems engineer Nicholas Jahn while he was swimming with his daughter and noticed how her diaper ballooned in size in the water. He found out the substance that makes this possible is called sodium polyacrylate. When the material gets wet it grows and forms fluffy flakes that are a close imitation of snow. Best of all, the stuff can be prepared easily any time of the year, and it's reusable. The engineering team uses the material to test the effectiveness of the heating systems of GM's vehicles. They spread the sodium polyacrylate over the inlets at the base of the windshield to obstruct the airflow and then crank the heater. After some time, they can see how much is being sucked into the system and design more efficient systems in the future. See how the process works in the video above and read about the diaper discovery in GM's press release below. Diapers Change Chevy Cruze Winter Warm-up Time GM validation engineer uses diaper material "snow" to reduce frigid drives 2015-01-06 DETROIT – An item commonly found on an infant's changing table is helping General Motors' engineers simulate snow year round, ensuring heating systems in cars like the 2015 Chevrolet Cruze can quickly and efficiently warm its interior. Packed snow can prevent air from entering the inlet panel at the bottom of the windshield, obstructing the flow of air into the heating system and reducing the amount of air it can push out. This can lead to less efficient warming of the car's interior and windshield defrosting. "The last thing anyone wants to do when it's freezing cold out is scrape their windshield," said Nicholas Jahn, GM Vehicle Thermal Systems engineer. "The testing we perform on the Chevrolet Cruze with the diaper material allows us to maximize the car's heating capabilities." Ironically, Jahn stumbled upon his diaper-based testing method in the middle of summer. During a swim with his daughter, he noticed her diaper multiplied in size when it came into contact with water.