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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.

Tanner Foust drifts Rockstar Passat around US Cycling TT course

The USA Cycling Time Trials take place on Saturday in Chattanooga, TN. That's also where Volkswagen has its US headquarters. So in honor of the event, VW decided to have a little fun involving Tanner Foust and a 900-horsepower Rockstar Drift car. That's a 900-hp Passat, by the way. Pro cyclist Tim Johnson rides along with Foust, showing him the intricacies of the cycling TT course. But of course, with a 900-hp drift car at his disposal, Foust makes use of roundabouts and turnaround points to do what he does best. We won't spoil the rest of the short, minute-and-fifteen-second video posted above. But if you like smoky drifts from super-modified midsize sedans, this clip is for you.

Volkswagen Tiguan arrives with chiseled looks, GTE plug-in model [w/video]

After a long run, Volkswagen has finally retired the first-generation Tiguan crossover in favor of the larger, more chiseled second-generation model. The new compact is longer, wider, and lower than the more upright CUV that came before it. Yet, as we covered in our original post, the new Tig is also over 100 pounds lighter. The bodywork is conservative but handsome; typical of newer VWs. We see plenty of Passat and Touareg in the fascia, which features a three-bar grille that integrates neatly with the slightly canted, rectangular headlights. The beltline looks higher than today's Tiguan, and sits below a more aggressive greenhouse, which is a welcomed change after the soft, crossovery looks of the last-gen model. While VW has only released European powertrain options – there are eight engine options, split evenly between gas and diesel and boasting anywhere from 123 to 237 horsepower – we'll expect a far smaller roster for the US. Look for VW's familiar 2.0-liter, turbocharged four-cylinder to feature prominently in both front- and all-wheel-drive models, while we're personally hoping VW will see the light and offer a 2.0-liter TDI Tiguan. Of course, there's more than just gas and diesel for the new Tiggy. The all-new GTE model promises plug-in capability. Expect 31 miles of electric range and 215 system horsepower. There are even solar panels on the roof which could generate up to an extra 600 miles per year of driving range. VOLKSWAGEN REVEALS ALL-NEW EUROPEAN TIGUAN AT THE FRANKFURT INTERNATIONAL MOTOR SHOW Based off the MQB platform, the new European Tiguan revolutionizes the compact SUV • Powerful, authentic SUV design of the new Tiguan was completely reconfigured. • Tiguan is the first Volkswagen Group SUV to be based on the modular transverse matrix (MQB). • Longer, wider, lower – new vehicle architecture enables sportier proportions • Tiguan makes its debut at the IAA in an R-Line version, a classic on-road version and a version with an off-road front end. • Volkswagen is also showing the Tiguan GTE in Frankfurt with a plug-in hybrid drive and 1.9 litre per 100 km fuel consumption. • Newly conceptualised solar roof module for the Tiguan GTE increases its electric driving range. • Front Assist with City Emergency Braking and Pedestrian Monitoring, active hood, Lane Assist and the Automatic Post-Collision Braking System are fitted as standard.