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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.

2016 Chevrolet Camaro starts at $26,695

Parking the new 2016 Chevrolet Camaro in your driveway will cost $26,695, including the $995 destination charge. That's a cut from $27,000 for the same trim on a 2015 Camaro. If you prefer a V8 under the hood, then the base 1SS goes for $37,295, compared to $34,500 for that model currently. The 2016 Camaro is offered as a coupe and convertible in four trim levels: 1LT, 2LT, 1SS, and 2SS. The LT is available with a 2.0-liter turbocharged four-cylinder with 275 horsepower and 295 pound-feet of torque or a 3.6-liter V6 with 335 hp and 284 lb-ft. The SS gets a 6.2-liter V8 with 455 hp and 455 lb-ft. The first examples arrive before the end of the year, but droptops and the turbo engine don't materialize until the first quarter of 2016. Base models come with tech like Chevy's MyLink infotainment system with Apple CarPlay, a rearview camera, automatic climate control, and multiple driving modes. The RS Package adds to the style with 20-inch wheels, HID headlights, LED taillights, a different grille insert, and rear spoiler. Opting for the SS brings a more aggressive exterior look, plus performance upgrades like Brembo brakes, differential and transmission coolers, and a limited slip differential on those with a manual gearbox. Upgrading to the 2SS adds amenities like heated and ventilated front seats, wireless phone charging, a Bose stereo, rear cross-traffic alert, and Side Blind Zone Alert with Lane Change Alert. Options like a Magnetic Ride Control suspension and dual-mode exhaust offer additional sportiness. Reading about the 2016 Camaro is nice, but Chevy now has a visualizer for the pony car. It's not quite a full configurator but lets you check out different colors, wheels, and stripes to imagine your future purchase. Enjoy finding just the right combo. Related Video: CHEVY REVEALS PRICE, ONLINE VISUALIZER FOR 2016 CAMARO 21/08/15 Gen Six Camaro offers more performance, technology and customization choices DETROIT – As production of the lighter, more powerful, more advanced 2016 Camaro grows near, Chevrolet revealed more details to help customers tailor their Gen Six exactly how they want it, including pricing information and an online visualizer. The 2016 Camaro offers higher levels of performance, technology and refinement, starting at a suggested retail price of $26,695 for the Camaro 1LT, while the most powerful Camaro SS ever starts at $37,295 for the 1SS.

Porsche and Buick earn top honors in J.D. Power Sales Satisfaction Index Study

Customer satisfaction with car buying has been at a low point over the past few years, as price increases, inventory shortages, and COVID restrictions have complicated every part of the process. There are signs of improvement, however, as J.D. Power’s 2023 U.S. Sales Satisfaction Index Study showed that customer satisfaction has improved slightly from a year ago. J.D. Power rates satisfaction on a 1,000-point scale, finding that it improved seven points to 793 from last year. Improving inventory levels and a slow leveling off of prices have contributed to that improvement, and fewer people are paying above MSRP for new cars. Some auto brands performed better than others with sales satisfaction. Porsche ranked highest among premium brands, followed by Alfa Romeo. Buick took the top spot among mass-market brands, with GMC, Chevrolet, and Mitsubishi behind. J.D. Power also handed out segment-level awards: Premium Cars: Porsche Premium SUV: Porsche Mass-Market Car: Chevrolet Mass-Market SUV/Minivan: GMC Mass-Market Truck: GMC Despite the increase in sales satisfaction, thereÂ’s still room for improvement to reach pre-pandemic levels. J.D. Power noted gaps in salesperson knowledge as an area of improvement. Buyers rated salespeople much better during a gas vehicle purchase than with EVs, citing their expertise as a challenge. Pricing remains a challenge despite an improvement since 2022, and satisfaction is still below pre-pandemic levels. Mass-market buyers reported a slight bump in satisfaction, while premium buyers felt that pricing was less fair than a year before. ItÂ’s an interesting contrast, showing that dealer pricing tactics can significantly impact satisfaction with the sales process. Fewer people may be paying more than MSRP, but several premium models still list with significant markups. Even more interesting is PorscheÂ’s top spot on the satisfaction list, as its cars often sell with huge upcharges, and itÂ’s exceedingly tricky even to get a build allocation for some models. Buick Chevrolet GMC Porsche Car Buying Ownership