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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.

Sunday Drive: Variety is the spice of life

If there's any one new vehicle the entire world is anxiously waiting for, it's the Jeep Wrangler. Yes, of course the iconic off-roader has a loyal following here in America, but you could plop a Wrangler pretty much anywhere on the globe and everybody will know what it is. Put simply, the redesigned 2018 Jeep Wrangler JL has big, muddy shoes to fill, and the readers of Autoblog are just as interested in the Wrangler's rebirth as anyone else. Moving along, we were fortunate enough last week to spend a bit of time in nearly every version of the venerable Volkswagen Golf all in one day. There isn't a Golf we don't like, but there's one, easily identifiable by its three-digit name, that stands above all the rest: GTI. We think it's the best Golf you can buy, even if there's an R-badged variant that slots above the GTI in VW hierarchy. Rounding out our recap are three vehicles that could hardly be more different. The 2019 GMC Sierra, which was seen wearing pretty light camouflage, is a truck. The Lamborghini Terzo Millennio – which isn't going to go on sale, ever, at any price – is a conceptual supercar. And the Honda CB1000R is a retro-themed naked standard motorcycle. Variety really is the spice of life. 2018 Jeep Wrangler spy shot mega gallery Driving nearly every VW Golf: Base, GTI, R, Alltrack — here's what we learned 2019 GMC Sierra spied sporting just a thin wrapping The Lamborghini Terzo Millennio is a brutally fantastic EV supercar concept Honda unveils 2 new motorcycles, including retro-flavored CB1000R Image Credit: Brian Williams GMC Honda Jeep Lamborghini Volkswagen Technology Truck Convertible Crossover Hatchback SUV Performance sunday drive vw golf gti lamborghini terzo millennio

Volkswagen New Midsize Coupe Concept is an aspirational Jetta

Meet the Volkswagen baby CC. Okay, that's not really it's name (VW calls it the New Midsize Coupe Concept), but this sleek, four-door coupe draws more than a little inspiration from the CC while riding on VW's MQB platform.
It's a looker, we think, and is an eye-pleasing departure from the bland styling of the current Jetta. The sleeker front end is complemented by a wider body overall (it's wider than a Passat), while the more sporting roofline and the sharp rear fascia gives the New Midsize Coupe a decidedly sporting character. LED head- and taillights add a bit more personality to this already stylish design.
Thanks to its 2.0-liter, turbocharged four-cylinder, it should get along rather sportingly, as well. The run to 62 miles per hour takes just 6.5 seconds thanks to the 217 horsepower on offer. A seven-speed dual-clutch automatic is also fitted, and contributes to an estimated 37 miles per gallon.