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CARB has 20 days to confirm VW's 3.0-liter TDI emission fix

VW's diesel scandal has been in the headlines since last September, but solving the problem it proving difficult. Volkswagen Group has submitted a proposal to the California Air Resources Board (CARB) and the Environmental Protection Agency (EPA) to fix about 85,000 vehicles with the 3.0-liter diesel V6 in the US, Reuters reports. CARB now has 20 business days to test if the plan actually reduces emissions. If accepted, VW could finally begin a recall and end the stop sale on vehicles with these engines. In a statement, CARB pledged to, "respond following a thorough and complete review to make sure the plan addresses the presence of the illegal defeat device and follows the necessary environmental, vehicle and public health and safety regulations." Neither CARB nor the EPA outlined the proposed repairs, but Porsche CEO Oliver Blume already suggested the fix for the engine in the diesel Cayenne. Examples from 2013 and 2014 allegedly need a new catalytic converter and software update, and those from 2015 and 2016 only need the improved code. It's not yet clear whether this procedure would work for all models with the 3.0 TDI. While the EPA issued the notice of violation against VW's 2.0-liter four-cylinder diesel in September, the first one for the 3.0-liter V6 came in early November. By the end of the month, the agency broadened the scope to about 85,000 vehicles, including some examples of the VW Touareg, Audi A6, A7, A8, Q5, Q7, and Porsche Cayenne. The affected companies issued stop sales on new models with the engine. Audi eventually admitted to regulators that it didn't disclose three auxiliary emission control devices in the powerplant's code and promised to develop a software update to fix the problem. CARB gave the automaker 45 business days to submit the proposed solution. If accepted, this repair would allow VW Group to end part of the emissions scandal, but there's no guarantee the regulators consent to this solution. Just a few weeks ago, CARB looked at the automaker's plan to fix the 2.0-liter TDI and rejected it, claiming a lack of detail.

Magnus Walker drives 911 Turbos old and new

It's been forty years now since Porsche released the original 911 Turbo. And as many things that have remained a constant, a lot has changed, too: the engine has gone from air-cooled to liquid, moved up to nearly a midships layout, and drives almost exactly double the original's output to all four wheels instead of just the back set through a seven-speed dual-clutch transmission instead of a five-speed manual. It'll also reach highway speeds about twice as fast as the original. That's progress for you, and who better to compare Porsche Turbos old and new than Magnus Walker. The outlaw of the 911 scene may not look the part, but to those in the know, he's got the last word when it comes to Porsches. After searching for some time, Walker recently got his hands on a cherry of an original 930 Turbo from 1975 – the first year it was made – and had it shipped from Australia to California to add to his collection. eGarage caught up with Walker and brought along a new 991 Turbo for juxtaposition. Fortunately it also brought along a video camera or two to document the experience, so check it out in the latest video above.

Hamann Porsche Macan S Diesel promises more performance, questionable looks

Ignore the Gulf Oil livery for a minute (we know, it's hard). What we have under the blue-and-orange paint scheme is a diesel-powered Porsche Macan S, which is fascinating enough in and of itself. But this particular example has been upgraded by the folks at Hamann, for that added bit of oomph. Power output from the 3.0-liter V6 diesel is up from 258 horsepower to 300 hp. We buy diesels for torque, though, so it's the 494 pound-feet, up from 427 lb-ft, that really gets us excited about this modded Porsche. Taken together, the Hamann Macan S Diesel can hit 60 miles per hour in a decidedly un-diesel-like 5.7 seconds, down from 6.1 seconds. German tuners like Hamann are not known for their subtlety, of course, so beyond the power ugprades, the company has made its own aesthetic tweaks. The new body kit is, um, aggressive? Okay, it's really not very nice to look at. The Macan is a handsome vehicle on its own, but Hamann's efforts haven't done it any favors. It's extremely busy, particularly around the front and rear ends, where the tuning company's efforts seem focused. We're guessing some attention has been paid to the cabin, although it's impossible to tell on the Geneva show car, which has had all of its windows heavily tinted. Here's hoping any changes to Macan's cleanly styled cabin are kept to a minimum. Take a look at our full crop of live photos of the modded Macan, direct from the floors of the Geneva Motor Show. High-performance power, long-distance comfort, extravagance: the benchmark figures of the formidable Porsche Macan S Diesel are impressive. For all fans of the dynamic vehicle Hamann's tuning experts now sets the bar even higher. As is generally known, the model's name "Macan" was derived from the Indonesian word for tiger – and exactly this tiger Hamann frees from the ties of a series actor. The face of the Macan, which Hamann presents in the S Diesel version in Geneva, has self-confident traits. The tiger seems ready to jump – an effect achieved by the low line of the front apron and the lowering of the car. Hamann's aerodynamics attachment emphasises the sharp "teeth" of the Macan Turbo's standard front and sets distinctive accents. The car refiner's interpretation of the Macan S Diesel appears well-toned and is coherently continued in powerfully shaped wing extensions making the predator's body grow by twelve centimetres in width.