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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.

Hybrids to slowly replace diesels at Mercedes

German automakers have had some success bringing diesel-powered vehicles in America in recent years, but that may not last much longer. A product planner from Mercedes-Benz we spoke to in Austria apparently believes hybrid setups may be more favorable in the long run, and electrified hybrids will eventually replace oil burners. That's why most every concept car we've seen in the last few years features some sort of hybrid or plug-in hybrid setup while there have been very few diesels. "Yes, diesel is technically complex, and very expensive. The additives to reduce particulate matter are very costly. You'll see more hybrids to meet the changing regulations," according to our source. We've seen this exact scenario play out with Mazda, which has struggled to bring its 2.2-liter diesel engine to America, citing the costly process to reduce emissions in order to meet California-level standards while still maintaining suitable performance for the US market. It's certainly interesting that this news comes hot on the heels of revelations that VW, the automaker that offers the most diesel-powered models in the US, was found in violation of emissions rules on its popular 2.0-liter TDI engine. New Mercedes GLE Will Have An Active Chassis Mercedes has launched an all-out product offensive in the last two years, but the product planning think tanks in Stuttgart have a few surprises in store, too. While Benz has just launched its new GLE SUV family, GLE product planners are already hard at work on the next-generation – yes, a good 5-6 years away – and tell us it will evolve to boast new chassis technology, "something that doesn't exist today." The next-GLE is codenamed 167 – the previous ML (now replaced by the GLE) was internally referred to as 166 – and the GLE planner we recently talked to calls the platform an "active chassis." He further alluded that the next version could be electrified. Currently, the only aspect of the GLE's chassis that is 'active' today are the hydraulic pumps on the roll bars, he said. Many of Mercedes' models can already be had with an adaptive air suspension, multiple selectable driving modes, and other features that were rare or nonexistent just a couple generations ago. One More Compact Crossover On The Way The planner said we can also at least one more all-new, forthcoming compact crossover to be built on the GLA platform. In addition to the GLA, that architecture is currently shared by the A-Class, B-Class, and CLA-Class models.

Mercedes-Benz may create electric-only brand

Daimler's Mercedes-Benz division may follow in fellow German automaker BMW's footsteps by launching its own separate brand for electric vehicles, Hybrid Cars says, citing German publication Handelsblatt, which quoted people familiar with the process. Daimler's board may make the decision to go ahead with the plan as early next month. And the brand may officially be unveiled at the Paris Motor Show in September. Unlike BMW and the i brand, Mercedes would use its existing factories to produce the newly-branded vehicles instead of operating out of a separate one as the i brand does. The first vehicle under the brand is likely to be an SUV model based on the Mercedes-Benz GLC crossover vehicle and would start sales next year. The product line would be broadened further in 2020. Daimler declined to comment, according to Handelsblatt. Mercedes-Benz and BMW wouldn't be the only two German automakers with plans for more electric vehicle sales. Volkswagen has a plan to unleash as many as 20 electric vehicles and plug-in hybrids to the public by 2020, including the Phaeton and the Audi A8. On that note, reports surfaced last month that VW may build its own "Gigafacory" as it prepares to widen its plug-in vehicle push and bring down their costs. As for US sales, Smart sold 313 ForTwo Electric vehicles, down 43 percent from a year earlier. Meanwhile, BMW's i sales in the US fell 40 percent from a year earlier to 2,723. Currently, Mercedes-Benz's only two electric vehicles are the Mercedes B-Class Electric Drive and the Smart ForTwo Electric two-seat vehicle. In the meantime, take a look at Autoblog's First Drive of the B-Class Electric. Related Video: News Source: Handelsblatt, Hybrid Cars Green Mercedes-Benz smart Electric