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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.

Mercedes F1 boss Toto Wolff takes a stake in Aston Martin

LONDON — Mercedes Formula One boss Toto Wolff has taken a stake in British sportscar maker Aston Martin, whose executive chairman Lawrence Stroll runs the Racing Point F1 team, according to company filings. A Mercedes F1 spokesman said Wolff's move was purely an investment on the Austrian's part and would be diluted by a rights issue on Monday from 4.77% to less than 1%. "Fully diluted following the pending rights issue, this investment will represent a 0.95% stake in the company," he added. "It is a financial investment and Toto's partnership and executive role with Mercedes are unaffected by the transaction." Swiss billionaire Ernesto Bertarelli has also bought a 3.38% stake which will be similarly diluted. Wolff previously had a 16% shareholding in former champions Williams but sold that after he joined the Mercedes team, where he serves as principal and owns 30%. Canadian billionaire Stroll, whose son Lance drives for Racing Point alongside Mexican Sergio Perez, is close to Wolff. The Silverstone-based team — to be renamed Aston Martin next year — use Mercedes engines and gearboxes. Mercedes-Benz's parent Daimler also has a small stake in Aston Martin. "It's clear that Aston are now Mercedes' B team," the Daily Mail quoted one Formula One insider as saying. Wolff's future at Mercedes has been the subject of some media speculation, with the 48-year-old linked variously to senior management roles with Liberty Media-owned Formula One and at Aston Martin. His Aston Martin shares were bought from Yew Tree Overseas Limited, a vehicle controlled by Stroll who acquired a roughly 25% percent holding in Aston Martin with a consortium of investors. Mercedes have won the past six Formula One drivers' and constructors' titles but have six times world champion Lewis Hamilton out of contract at the end of the 2020 season, which has yet to start due to the COVID-19 pandemic. Hamilton, who has also been linked to Ferrari, had told reporters before the global crisis changed the sporting and financial landscape that his decision would depend on Wolff's plans. The Briton is now expected to stay at Mercedes, with a radical overhaul of Formula One's sporting and technical regulations postponed to 2022. Related Video: Motorsports Aston Martin Mercedes-Benz

2013 Mercedes-Benz SL65 AMG

Make way for the 2013 Mercedes-Benz SL65 AMG, the most wonderfully preposterous car I have ever driven.
There is absolutely no reason why any two-seat roadster should be fitted with a twin-turbocharged 6.0-liter V12 developing 621 horsepower and 738 pound-feet of torque, but I sure am glad that Mercedes-Benz doesn't see things that way.
Drop into the leather-lined cockpit of this $213,145 provocateur, floor the accelerator pedal as I did over and over again, and 60 miles per hour falls in a traction-limited 3.9 seconds. Top speed has been electronically held to 186 mph (this apparently saves Gulfstream jet owners from embarrassment). Forget the SL550 and SL63 AMG, the valets will trip over themselves attending to the tycoon driving this thoroughbred - it's the real deal.