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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.

2015 Porsche Cayenne S Quick Spin

There are sporty SUVs, but until the Macan came along, the Porsche Cayenne was arguably the only pure definition of a 'sports SUV, a la sports car. The second-generation Cayenne is now five years old, but still looks fresh. It's handsome without obvious effort, especially with the optional 21-inch 911 Turbo wheels. The Cayenne S replaces the old, 400-horsepower, 4.8-liter V8 with the brand-new, Porsche-developed 3.6-liter twin-turbo V6. This engine is quickly proliferating through the range – it powers the current Panamera S and the Macan Turbo. That former 4.8-liter started life as a 4.5-liter with 350 horsepower way back in 2002, specifically developed for the Cayenne, and to the end it remained a potent engine. We tried the new forced-induction V6 with 420 hp earlier this year in the Panamera S, and other than a soggy exhaust note it maintained the character of the former V8 sport sedan, with lusty power and hasty delivery. So, how's it do in the Cayenne? Driving Notes The Cayenne S version of the TT V6 gets 420 hp and 406 pound-feet of torque. That means there's 37 more lb-ft than the previous V8, and 22 more lb-ft than in the new Panamera S. Yet the 607-pound difference in curb weight between the Panamera and Cayenne means the V6 has a heavier load to lift here. And it shows – the instant response is dulled. Stomping the right foot gets the eight-speed transmission rappelling through gears to provide a little kick, but real gumption doesn't come until the turbos kick in. We're maybe talking about a second of pause compared to the Panamera, but a noticeable second. Perhaps a small price to pay for slightly better fuel economy, if you really care about such in your 420-hp SUV. Part of why we notice that second is that the Cayenne S is so right-now everywhere else that any perceived hesitation gets extra attention. It offers a specific adjustability that many sports cars don't have, with one button adjusting the three-mode air suspension and a separate Sport button tweaking the steering, throttle, gear changes, and traction control. With Sport keeping all the horses at the ready and the optional Porsche Torque Vectoring holding things steady, you don't need to step up to the GTS trim to get immediate acceleration, crisp steering, flat cornering at very un-SUV-like speeds, and tremendous stopping power from a total of 20 brake pistons. That said, the exhaust note here could also use a shot of Bruce Banner's gamma rays.

Ferrari IPO may turn out to be good news for enthusiasts

Sergio Marchionne's strategy to spin off Ferrari from FCA and make the Italian automaker a publicly traded company has been met with ire from a vocal contingent of enthusiasts ever since rumors about the plan began to surface a few years ago. Some of these particularly pessimistic automotive pundits have voiced fears that with stockholders in the mix, it would not only spell the demise of the exclusive Italian supercar maker as we know it, but would in fact "ruin" the company. Call me dense, but I fail to see what the issue is. That isn't to say that I don't understand what's causing the fear. When profitability becomes a higher priority for a brand that's historically relied on exclusivity to keep its products in the highest echelons of desirability, there's a high potential for internal philosophical conflict. And then there are concerns about the sorts of products that Ferrari might develop that aren't the high-performance sports cars that the brand is known for. But individuals with those apprehensions seem to forget that Ferrari has already lent its name to a multitude of things that are not LaFerraris, 488 GTBs, or F12 Berlinettas, including clothing, headphones, and even laptops. But let's assume for a moment that the core anxiety is about future vehicles – including the unspeakable notion that Ferrari might develop an SUV. Why wouldn't Ferrari build an SUV, especially after seeing how incredibly successful that endeavor has been for Porsche? I think it's likely that Ferrari will put engineers to task creating some sort of crossover or high-rolling cruiser with room for the whole family at some point in the near future. And why wouldn't it, after seeing how incredibly successful that endeavor has been for Porsche? After all, the Cayenne accounted for more US sales in 2013 than the Boxster, Cayman, 911, and 918 combined, and it only gave up about a thousand units of sales last year to make room for the Macan crossover, the latter of which Porsche sold nearly as many of as it did Boxsters and Caymans. People want these vehicles, and they're willing to pay quite a bit of money for them. If we use Porsche's recent trajectory as a foreshadowing metric for what's in store for Ferrari, the future actually looks pretty good. After all, those SUV sales keep plenty of cash in Porsche's coffers for the low-volume projects that we enthusiasts love, like the 918 Spyder and the 911 GT3 RS.