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Watch Evo pick its 2015 Car of the Year in this epic video

With just a few days left in 2015, it's the perfect time to check out Evo's annual Car of the Year test to determine the greatest performance vehicle of the last 12 months. The writers' picks for the 11 finalists spanned a breadth of engaging models and included: Peugeot 208 GTi by Peugeot Sport, Lamborghini Aventador SV, Seat Leon Cupra Sub8, McLaren 675LT, Porsche 991 GT3 RS, Porsche Cayman GT4, Honda Civic Type R, Ferrari 488 GTB, Chevrolet Camaro Z/28, Lotus Evora 400, and Mercedes-AMG GT S. For the venue to test the mettle of these performance machines, Evo stuck close to home this year and visited the twisting roads at the beautiful north coast of Scotland. Racing brothers Marino and Dario Franchitti also came along for the ride to provide two more voices in the competitive challenge to determine a winner. Evo's video explains why each model deserves to be among such rarified company but doesn't gloss over their faults either. There can be only one winner, though. We don't want to spoil it, so check out the clip for magnificent views of these performance machines through the Scottish countryside.

Mercedes-AMG GT3 racing towards Geneva debut

So far, we've only seen the fundamental road-going coupe version of the new Mercedes-AMG GT, but like the Porsche 911 it targets, you can bet there will be more derivatives to follow. And this is our first glimpse at the first of them. At the Geneva Motor Show next month, Mercedes will showcase the GT3-spec racing version of the AMG GT. The German automaker didn't tell us much more in making the announcement, but did release a pair of cropped teaser sketches showing the sports car with all manner of racing appendages, including what looks like a massive rear wing. Once ready for action, the new Mercedes-AMG GT3 will replace the previous SLS AMG GT3 that won the Nurburgring 24-hour race a couple of years back. But with every automaker and its sister company getting in on the GT3 racing action these days, it'll face some stiff competition on the track. The new Mercedes-AMG GT3 February 12, 2015 Neatly coinciding with the upcoming market launch of the road-going version of the Mercedes-AMG GT, the next stage of the vehicle's evolution is already here: the sports car and performance brand of Mercedes-Benz is presenting a new customer sport racing car that complies with FIA GT3 race regulations in the form of the new Mercedes-AMG GT3. With this, the second customer sport car to be developed by Mercedes-AMG, the Affalterbach company is seeking to build on the success of the SLS AMG GT3 and further expand the customer sport programme first started in 2010. The superb racetrack performance of the road-going GT forms the ideal basis on which to model the new Mercedes-AMG GT3, which is due to make its debut appearance at the Geneva Motor Show. Featured Gallery Mercedes-AMG GT3: teasers Geneva Motor Show Mercedes-Benz Coupe Racing Vehicles mercedes-amg 2015 Geneva Motor Show rendering mercedes-amg gt sketch mercedes-amg gt3

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.