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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' Choice: Top Five 2013 Geneva Motor Show Debuts

We've returned from a very busy week in Switzerland, and in going back over all of our 75 stories from the Geneva Motor Show, our editors have gathered up their personal favorite debuts from the European expo.
The wonderful thing about the Geneva show is just how wide of an array of vehicles are on display - everything from funny little one-off EVs to the most exotic of supercars to, well, truly ridiculous displays of coachbuilding. And because of that, this list of our editors' favorites might not be as predictable as you think.
But we don't want to give anything away just yet. Scroll down to have a look at our team's favorites from Geneva.

Volkswagen reveals Beetle GSR, R-Line convertible and two special GTIs

Volkswagen has chosen to really expand its performance-tuned portfolio at this year's Chicago Auto Show, bringing along a couple of new Beetles destined for model year 2014, as well as a pair of freshened GTI packages that you'll be able to buy almost right away.
The first, and splashiest of the Chicago goodies on the VW stand has got to be the 2014 Volkswagen Beetle GSR. Don't lose your temper, Acura Integra geeks; in this case, GSR stands for "Gelb Schwarzer Renner" or "Yellow Black Racer," and harkens back to a sport-tuned classic Beetle from the 1970s. For the 2014 iteration, the GSR gets a 210-horsepower version of VW's 2.0-liter turbo four-cylinder. That engine is enough to push the Beetle to 60 miles per hour in 6.6 seconds, and up to a top speed of 130 mph.
Of course, you'll have long-since noticed the shockingly yellow-and-black livery before you stumble across the Turbo badge on the rear deck. The GSR gets 19-inch alloy wheels, 235-section tires and a tea-tray rear spoiler, but it's the paint and graphics package that will decide if this is your (lemony) cup of tea. Things don't get any subtler inside the car, either, as VW has carried the colorway through to the interior, as well. Only 3,500 Beetle GSRs will be produced, with just more than half of those going to the US - call your dealer today, Wiz Khalifa.