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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.

Meet the new Porsche 718 Boxster and Boxster S

The rumors were mostly true. Porsche had already confirmed that the Boxster and Caymans would receive a "718" appended to their badges, in honor of their famous mid-engined racecar of the 1950s and '60s, but the mechanical details were left up in the air. We were almost certain both would be powered by turbocharged flat-fours of a couple of displacements and outputs, and now we can confirm that this is the case. Porsche has revealed the official specs for the 718 Boxster, which will go on sale in Europe this April. The biggest news concerns the flat-fours. The regular 718 Boxster will get a 2.0-liter, turbocharged flat-four producing 300 hp. The 718 Boxster S will get an extra half-liter of displacement and a variable-geometry turbocharger to produce a total of 350 hp. This represents a 35 hp gain over the current Boxster and Boxster S, respectively. Porsche also claims the turbo fours improve fuel economy by around 13 percent. By the NEDC European test cycle, the 2.0-liter gets roughly 34 mpg and the 2.5 gets 32 mpg, although rest assured that EPA test results will yield different numbers than the optimistic European test. Torque gains with the new boxer fours are significant. The 2.0-liter gains 74 lb-ft of torque for a total of 280 lb-ft from 1,950 to 4,500 RPM. The 2.5 gains less, 43 lb-ft, for a total of 309 lb-ft over the same rev range. The extra torque and wide torque band make the 718 Boxster quicker to 60 mph, at least when equipped with the PDK gearbox and the Sport Chrono Package. The 2.0-liter car does the deed in 4.5 seconds, a 0.7-second improvement, and the 2.5-liter car is claimed to hit 60 mph in 4.0 seconds, a 0.5-second improvement. 2016 Porsche 718 Boxster View 11 Photos Inside, a new dash houses the latest Porsche Communication Management infotainment system with a touchscreen, included on all 718 Boxsters as standard – although nav is an optional extra. The buttonless, capacitive-touch center stack we just spied on the next Panamera does not make it inside the 718 Boxster, which makes do with a very similar button layout to the current car. Both cars will come with a six-speed manual as standard, which is great news, and a PDK will be optional for both. Porsche also claims to have made the electrically-assisted steering more direct, and retuned the suspension. An optional PASM package lowers the car by 0.4 inches while providing the benefits of active dampers. From a styling standpoint, this is an evolution of the current theme.

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.