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Comedians in Cars Getting Coffee teases return with a Countach

Unless you have an intense aversion to Jerry Seinfeld, it's hard not to find something to like about his show Comedians in Cars Getting Coffee. After all, the series combines funny people telling often hilarious stories while riding in ridiculously cool vehicles. The trailer for the sixth season is now online, and based on this tease, this definitely looks worth watching no matter what part of the videos interest you. Of course, it's the automotive portion that really grabs us, and Seinfeld has quite a fleet to showcase for season six. The trailer shows off a Lamborghini Countach, a '57 Chevrolet Bel Air convertible, a classic Volkswagen Beetle in the green and white German Polizei livery, a Morgan, an Aston Martin DB5, and a Ferrari 308. On the more humorous side of things, the guest list at least includes Julia Louis-Dreyfus, Jim Carrey, Steve Harvey, Stephen Colbert, Bill Maher and upcoming host of The Daily Show Trevor Noah. Season six of Comedians in Cars Getting Coffee premieres on Crackle on Wednesday, June 3, at 11:30 PM ET.

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.

Cadillac XT4 crossover to be built in Kansas City

Cadillac's upcoming XT4, a crossover we've previously known as the XT3 in a long series of spy shots of heavily camouflaged mules, will be built at General Motors' assembly plant in Kansas City on the same platform as the Chevrolet Malibu, Bloomberg reports, citing people familiar with the plan. That will give Cadillac another entry in the red-hot luxury crossover segment and, GM hopes, help to reverse a sales slump in the U.S. It'll also breath life into the Kansas City plant that makes the slow-selling Malibu, where GM cut a third shift last year, by sharing the assembly line between the crossover and sedan and defraying costs for each vehicle. The XT4 was known most recently as the XT3, with styling cues based on the Escala concept sedan from 2016. It's slightly smaller than the XT5, Cadillac's top-selling vehicle, and will also augment the full-size Escalade in Cadillac's stable of SUVs when it makes its expected debut later this year. Cadillac last week reported its second-highest-ever sales mark with 356,467 vehicles, an increase of 15.5 percent over 2016. But that mark papers over an 8 percent sales decline in the U.S. to 156,440 vehicles. The luxury brand is on a hot streak in China, where sales jumped 50.8 percent last year to 175,489 units.Related Video: Image Credit: Brian Williams Plants/Manufacturing Cadillac Chevrolet GM Crossover sales cadillac xt5 cadillac xt4 cadillac xt3