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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.

Lewis Hamilton on pole in France, Sebastian Vettel only seventh

LE CASTELLET, France — Lewis Hamilton seized pole position for the French Grand Prix in track record time as Mercedes, chasing their 10th successive win, swept the front row of the grid in dominant fashion on Saturday. The Formula One world championship leader was 0.286 seconds quicker than team mate Valtteri Bottas. Ferrari's Charles Leclerc qualified third with team mate Sebastian Vettel a distant seventh on a distinctly off day for the German. The pole, in a time of one minute 28.319 seconds, was a record-extending 86th of Hamilton's career and his third of the season. "I'm happy that I got the potential out of the car, the team did a fantastic job," said five-times world champion Hamilton, last year's winner from pole at Le Castellet's Paul Ricard circuit. "We've just been chipping away at improving the set-up of the car," added the Briton, who is 29 points clear of Bottas after seven races — all won by the pair. Hamilton also triumphed in the last two of 2018. Bottas was fastest in the second phase of qualifying but could not match Hamilton's sizzling pace when it mattered in the final shoot-out. "The wind changed direction and there was a couple of corners my line didn't work and I had to work it out but Lewis had a better lap," said the Finn. Mercedes have looked to be in a class of their own all weekend, with Hamilton or Bottas fastest in every practice session with Leclerc, rather than Vettel, consistently the best of the rest. Vettel struggled, backing out of his first hot lap and then failing to string together all the sectors smoothly on his second attempt. "I don't know what happened, I lost so much momentum there was no point to finish that lap," said the German, who starts behind the Renault-powered McLarens of British rookie Lando Norris (fifth) and Spaniard Carlos Sainz (sixth). "Some laps it felt good and others it didn't. I didn't get the best out of the car but it was difficult for me, but some laps I didn't have he grip I had before." Vettel's time of 1:29.799 was eighth tenths of a second slower than Leclerc's best. Leclerc, who starts with Red Bull's Max Verstappen alongside, asked the team over the radio to get Vettel to speed up but the Monegasque said his lap had not been compromised. Australian Daniel Ricciardo starts eighth for Renault and Red Bull's Pierre Gasly lines up ninth for his home race with Italian Antonio Giovinazzi 10th for Alfa Romeo.

2017 Mercedes SL gets more beauty, power, and equipment

The first gestation of the R231-generation Mercedes-Benz SL-Class was appreciably better than the excellent R230 it replaced, it just didn't look nearly as good. Answering for one of its rare design sins with a facelift for the 2017 model year, Mercedes succeeds in restoring the skin-deep glory the R231 SL deserved from the beginning. They didn't stop at the skin, either, giving buyers plenty of additional technical reasons to make the upgrade. The new design establishes its new beauty with the grille and headlights. The grille has essentially been flipped upside down - it is now wider at the bottom than the top. It is flanked by sleeker headlights pulled out to the edges, and now full-LED lights are standard. The front fascia below gets much more pronounced, especially on the AMG versions with their larger intakes and chrome-trimmed A-wing motif across the horizontal span. Brilliant Blue and Designo Selenite Grey Magno join the color palette. The SL400 becomes the SL450, its 3.0-liter twin-turbo V6 juiced up from 329 horsepower to 362 hp, and 354 pound-feet of torque to 369 lb-ft. Both it and the SL550 shed their seven-speed automatics for the new 9G-Tronic automatic. Inside, new designs for the gauge cluster look back at the driver, ambient lighting options have expanded to include polar blue and polar white, and the center console storage ambient lighting throw a brand logo on the two USB ports fitted inside. The roof can be opened at up to 25 miles per hour now, and the trunk separator automatically gets out of the way when you put the top down - no more having to do that yourself beforehand. Turning the page on performance, non-AMG models come offer Mercedes' curve-tilting function with Active Body Control. It counters cornering forces by tilting the body up to 2.65 degrees into a turn; choosing it removes the Eco function from the five Drive Select modes, replacing it with Curve mode. The AMG SL63 and SL65 models come with a mechanical rear differential lock standard - formerly part of a $9,000 upgrade package, an updated seven-speed transmission, and faster shifting via aluminum shift paddles. We'll get looks at the AMG SL63 and SL65 at the LA Auto Show, the refreshed range hits dealerships in late spring next year. Mercedes has a lot to tell you in the press release below, so dig in.