1986 Chevy C/k 30 4x4 **fully Restored** Built From Frame Up on 2040-cars

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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.

Win an SUV 2022 | The best giveaways of the week

Autoblog may receive a share from purchases made via links on this page. Pricing and availability is subject to change. No donation or payment necessary to enter or win this sweepstakes. See official rules on Omaze. SUVs and crossovers are a hugely popular segment in the United States, making up nearly half of total vehicles sold last year. Here are our favorite SUV giveaways we’ve found online this week. Win a Himalaya Land Rover Defender 110 Crew Cab - Enter at Omaze The Land Rover Defender is an icon. An intense, luxurious off-roader that turns heads and can crawl up nearly anything. The problem? For the past 20+ years it hasn't been available in the United States. But this Defender is different. ItÂ’s vintage, restored by Himalaya, and itÂ’s powered by a Corvette engine. Plus Omaze is giving it away.  Here are the specs of the Defender in question, according to Omaze: Maximum Seating: 4 Engine: 6.2-liter Corvette LS3 crate engine Transmission: 6-speed automatic  Drivetrain: 4WD  Exterior Color: Satin Grey Interior Color: Jet Black Maximum Horsepower: 430 hp Maximum Torque: 425 lb-ft Approximate Retail Value: $210,000  Cash Alt: $157,500  Special Features: Black exterior roll bars and trim; Black 18” Sawtooth wheels with 35” tires; Wilwood™ brakes; 3" lift; Black diamond-stitched leather sport seats; MOMO Millenium steering wheel; front and rear matching consoles; Himalaya gauge cluster; Himalaya front and rear bumpers, bed-mounted tire carrier, and extended fender flares; Puma hood; LED lighting YouÂ’re probably asking yourself, what does it take to win? First of all, according to Omaze, "no donation or payment is necessary to enter or win this sweepstakes." $10 will get you 100 entries in this sweepstakes, while $50 will get you 1,000 entries and $100 will get you 2,000 entries. The best part? Each paid entry raises money for a worthy cause. See more about these causes at Omaze. Other Omaze sweepstakes: Win an Airstream Interstate 24X Win a 1958 Porsche 356 A - Enter at Omaze Win a Restored 1969 Pontiac GTO - Enter at Omaze Win a 2022 Porsche 911 GT3 - Enter at Omaze For these and more vehicle sweepstakes, check out Omaze.com. Enter quickly, they won't last forever. Bentley Chevrolet Ford Land Rover Commerce SUV

2015 Chevrolet Trax

After the obligatory product presentation for the 2015 Trax, I caught up with Steve Majoros, Chevrolet's director of marketing for crossovers and cars, and asked him to elaborate on which markets his planners believe will be the hot starters for this tiny CUV. Without much hesitation, Majoros began to click off traditional sales havens for Subaru, namely, New England and the snowy bits of the East Coast, Colorado and the Pacific Northwest. That news might not surprise you, but it did me. Perhaps it's something as basic as the Trax's tall-hatchback looks, or the emphasis Chevrolet put on the urban driving cycle during my test in San Diego. But before my chat with Majoros, I'd considered this a crossover pointed at the Millennial city mouse more than his bumpkin cousin. But a closer look had me re-examining the granola cred of Chevy's smallest crossover. Having spent my fair share of time in New England and around New Englanders, I started by mentally listing the Trax's Subaru-like traits: practicality, thrift, all-weather ability and, well, just a dash of ugliness. (I suppose a hatchback needn't always be ugly to sell in Maine, or Boulder or Portland... but a 'distinctive' face doesn't seem to hurt.) After a day of driving through sunny San Diego and its surroundings, I can say that Trax makes an interesting case for itself against the standard bearers of the L.L. Bean set, but I'm less sure of its argument for young urbanites. The Trax looks a lot like an Equinox whose suit shrunk in the wash. Chevy's has downsized its own, rather conservative crossover styling to fit the proportions of the subcompact Trax; to my eyes, it looks a lot like an Equinox whose suit shrunk in the wash. That's fine for offering a cohesive look for the Chevy family of crossovers, but it seems out of step with the rest of the segment. If the Trax's current competitive set were the cast of a high school-based TV show, the Kia Soul would play the lovable nerd, the Nissan Juke perhaps the outsider musician and the Subaru XV Crosstrek the athletic outdoorsy kid. Chevy may see the Trax as the hipster chick wearing intentionally ironic mom jeans, but to me the styling is a little too on the nose; more like an actual grownup trying to hang with the kids. These mom jeans are genuine. Per my earlier point, that quasi-conservative look may be just fast enough for staid New Englanders, but I have a hard time seeing the bluff, big-Bowtied front end playing in Bushwick or Wicker Park.