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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.

Porsche offering 250-hp 718 Cayman, Boxster in China

Porsche is studying a new approach in the lucrative Chinese market – less power. Automotive News Europe reports that the famed German manufacturer will sell less powerful versions of the 718 Cayman and Boxster in the People's Republic. In fact, the new cars are already on Porsche's Chinese consumer page. The hope, 718 chief Jan Roth told Automotive News Europe, is to replicate the success Porsche's sister company Audi has had with the TT. "A lot of the TTs that Audi sells in China, the smaller displacement 1.8-liter versions with rear-wheel instead of all-wheel-drive, are priced below that, Mercedes too," Roth said. We're guessing the comments about rear-wheel drive and a 1.8-liter engine are either typos or something was lost in translation, because Audi's Chinese website only lists a 2.0-liter engine, and most gearheads know the TT rides on a front-drive platform. Audi's success is largely down to price – 542,800 yuan ($81,549, at today's rates) for a base TT. Roth called 600,000 yuan "a magical threshold for customers in China." To hit that price point, Porsche is dropping the 718's 2.0-liter, turbocharged four-cylinder – offered North America and Europe with 300 horsepower in base form – to 250 ponies. The Cayman starts at 588,000 yuan ($88,340) while the Boxster is 598,000 yuan ($89,842). The 350-hp Cayman S will carry on unchanged. According to ANE, Roth said Porsche's Chinese strategy could drive 718 sales up to 4,500 units a year by 2017, nearly double the 2,500 Boxsters and Caymans sold in 2015. Could a similar lower-tiered strategy work in the US? We'll need to put on our speculation hats. In the US, the base car is about 81 percent of the price of the 350-horsepower S model. If Porsche were to offer the same discount for the hypothetical, 250-hp 718s, it could set the starting prices at $43,659 for the Cayman and $45,360 for the Boxster. That lines up neatly with the $43,500 TT Coupe, but this theoretical 250-hp Boxster would fall about $1,640 less than Audi's soft top. We shouldn't forget Porsche's expansive options catalog – we doubt there'd be a lot of sub-$50,000 718s on dealer lots. But still, slashing over $10,000 off the price of a $54,000 car is a big ask – Porsche would almost have to de-content such a lower-tier model. But – and this is a Kim K-sized but – moving the 718 downmarket would open the brand to a new range of consumers. Not only would these new cars be the cheapest sportscars from Porsche money could buy.

Audi's lunar rover is nearly ready for the moon

Last year, Audi announced it was working on a lunar rover with a group called the Part-Time Scientists. Now the company says the design of its Lunar Quattro is complete, and all that's left is final testing before it's ready to head for the moon. Since Audi and its 16 engineers became involved with the project, the rover has actually increased in size, as have its tires. The company says this is for added stability. Despite the added size, the rover is now lighter, bringing it down from 38 to 30 kilograms (what we'd call 66 pounds). Otherwise, the rover is generally the same as it was last year. All four wheels are still powered by electricity, so Audi touts it as being both a Quattro and an E-tron vehicle. Cute. The rover will undergo final testing in the Middle East where it will run through simulations of the mission. For those unfamiliar, the mission parameters were set by Google for the Google Lunar XPRIZE. The prize is worth $30 million and will go to the first team to land a privately funded lander and rover on the moon, drive the rover 500 meters, and send back photos. If the mission is successful, we should get some great 3D and 360-degree shots of the lunar rover left behind by the Apollo 17 mission in 1972, since the proposed landing site is nearby. The Part-Time Scientists team that Audi partnered with has also booked a launch for its ALINA lunar lander, which will carry a pair of the Lunar Quattro rovers to the moon's surface. The launch was scheduled with Spaceflight Industries and is set for the end of 2017. Spaceflight Industries has managed 11 rocket launches with different companies and rockets between 2013 and 2015, and will also launch a probe from Israeli XPRIZE competitor SpaceIL sometime next year on a SpaceX Falcon 9 rocket. Related Video: