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VW joins Daimler's protest of new A/C refrigerant as EU deadline for compliance passes

The case of Dupont and Honeywell's refrigerant R-1234yf is doing the exact opposite of keeping things cool. The two chemical companies have spent years and hundreds of millions of dollars developing R-1234yf to replace R-134a, the new refrigerant shown to be 99.7-percent kinder to the environment than the one it is meant to succeed. Part of that development has been years of testing by governments, outside safety agencies and automakers to approve the chemical for use in cars. It passed the protocols necessary for the European Union to declare that new and significantly revised cars from 2013 onward needed to use R-1234yf, and mandated that every car as of 2017 must use it.
Enter Daimler AG. The automaker created a head-on collision test with a B-Class at their Sindelfingen test track that would lead to the pressurized refrigerant being sprayed on the engine. The result in 20 out of 20 test was that the refrigerant burst into flames as soon as it hit the hot engine, while Daimler says that R-134a does not catch fire in the same test. Another unexpected result of the R-1234yf test was the release of hydrogen flouride, a chemical far more deadly to humans than hydrogen cyanide, emitted in such amounts that it that turned the windshield white as it began to eat into the glass.
Said a Daimler engineer in a Reuters piece, "It was scarcely believable. The most complicated lab tests conducted using the most sensitive measuring instruments around found nothing and all we do is drive a car around a couple of times, open a tiny hole in the refrigerant line and the next thing you know the car is on fire." So Daimler said it wouldn't use the refrigerant, and it recalled the cars it had already shipped with R-1234yf.

Editors' Picks April 2021 | Honda Accord, Mercedes-Benz E-Class and more

The month of April saw us award Editors' Picks status to a couple mega-luxury vehicles and a couple long-time standbys that recently went through mid-cycle refreshes. We drove plenty of other cars that didn't quite reach the bar for Editors' Picks status — BMW 4 Series, Infiniti QX55 and the Mitsubishi Outlander among others — but the four you'll see below stood out as the best this month. In case you missed our previous couple Editors' Picks posts, hereÂ’s a quick refresher on whatÂ’s going on here. We rate all the new cars we drive with a 1-10 score. Cars that are exemplary in their respective segments get EditorsÂ’ Pick status. Those are the ones weÂ’d recommend to our friends, family and anybody whoÂ’s curious and asks the question. The list that youÂ’ll find below consists of every car we rated in April that earned the honor of being an EditorsÂ’ Pick. 2021 Aston Martin DBX 2021 Aston Martin DBX View 16 Photos Quick take: With attractive styling and a gorgeous yet functional interior, the V8-powered DBX is a legitimate crossover worthy of the Aston badge. Score: 8 What it competes with: Bentley Bentayga, Lamborghini Urus, Rolls-Royce Cullinan, Mercedes-Maybach GLS 600 Pros: Mega style, fantastic driving dynamics, a true and faithful Aston Martin Cons: Very expensive, only average infotainment From the editors: Editor-in-Chief Greg Migliore — “The DBX captures the spirit of Aston Martin in a modern crossover. That's not an easy thing to do. I expected the DBX might look the part, but lack functionality. Or it would be a decent crossover, but fall short of my idea of an Aston. The DBX did neither. It exceeded my expectations and is an entertaining vehicle to drive. The styling is interesting and evocative, and the AMG-sourced powertrain delivers proper performance. I also loaded it up with groceries and a carseat fits pretty well. Mission accomplished for Aston." In-depth analysis: 2021 Aston Martin DBX First Drive Review | A crossover that makes you forget itÂ’s a crossover   2021 Bentley Flying Spur 2021 Bentley Flying Spur V8 View 20 Photos Quick take: There are technically competitors to the Flying Spur, but nothing matches it stride-for-stride in every category. ItÂ’s the Bentley flagship product now, and it flies the brandÂ’s flag with both gusto and excellence. You can't go wrong whether you spec the W12 or V8 either.

Autoblog fan favorite car ads from Super Bowl XLIX

Super Bowl XLIX is in the books, and the New England Patriots emerged victorious. Of course, if you're like us, the big game wasn't so much about the battle between the east coast and west, so much as a fight between the world's automotive advertisers. We collected and collated all of last night's new ads and put them together for you to vote on. And yes, we're limiting this year's contest to last night's new features. That's why you aren't seeing Dodge's epic Wisdom among our collection of commercials, and it's a similar story with Chevrolet's Truck Guy Focus Group series, which highlights the new Colorado. You can still vote for your favorites. We won't be closing the voting on our Super Bowl page, so while the winners and losers are correct as of this writing, it's entirely possible that there could be some changes in the rankings as time goes on. So, without any further ado, here are the winning ads based on your voting. Nissan: With Dad Fiat: Ready For Action Jeep: Beautiful Lands BMW: Newfangled Idea Mercedes-Benz: Fable NASCAR: America Start Your Engines As for those ads that failed to impact you, loyal readers, Toyota was the absolute, undisputed loser. The Japanese brand ran four ads in total – two for Toyota and two for Lexus – and all of them have negative tallies as of this writing. Lexus' Make Some Noise and Lets Play and Toyota's One Bold Choice and My Bold Dad both had very weak showings among the commercials that aired, although they weren't alone. Neither Mazda nor Kia scored particularly well, despite featuring celebrity magic act Penn and Teller and former James Bond, Pierce Brosnan, respectively. Chevrolet was the winner of the losers, as of our writing, recording the fewest downvotes for its audience-punking The Big Game ad. If you want to take a second look at the losing ads, you can head back to our Super Bowl page for the complete collection. But for now, head into Comments and let us know what you think of the results.