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VW Jetta TDI dyno shows HP loss trying to recreate cheat mode

Volkswagen is working on a fix for diesel-engined vehicles that are out of compliance with emissions regulations in the US and other countries. We're told that engineers will be presenting a solution internally sometime this month, but that doesn't mean we'll actually see it in the wild this month. One big question we have about the coming fix is, will it affect the car's performance? That question relates to another we have about the engine as it is: How much performance would the 2.0-liter diesel lose right now if it were turned down to pass US emissions? The Fast Lane Car tried to sketch some answers by going to a shop in Denver, Colorado to run a 2011 Jetta TDI with a six-speed DSG transmission on an all-wheel-drive dyno. The thinking was that if you ran all four wheels the car would think it was on the road, whereas if you ran only two the car might think it's being tested. We'll get straight to the numbers: the stock sedan is quoted at 140 horsepower and 236 pound-feet of torque. When run with all four wheels turning it produced an uncorrected 114 hp and 214 lb-ft at the wheels. When run with just two wheels in motion the Jetta got 113 hp and 188 lb-ft at the wheels. Reading the graph, we're told that power differences between the two runs were as much as 15 hp and 32 lb-ft. You'll need to take some salt with these numbers, though, because the dyno and test protocol in the video are nothing like those used by the EPA. The shop attempts to trick the Jetta into 'emissions testing mode' by using the front wheels only for the two-wheel-drive run, but we have a feeling the software code at issue is far more sophisticated than that, since the ICCT, UVA, the EPA, and CARB investigated the situation for more than a year and couldn't figure out. Also, the technician adjusts for being a mile above sea level with a correction factor of 1.2 applied to horsepower and torque, which inflates the disparity in the final power differences over the two runs. Go to YouTube and read the lengthy comments on the video left by Andrew Price for a more thorough dissection of what could explain TFL's disparities. You can watch the video above, and feel free to try and dissect the results yourselves in the comments below. Related Video:

VW rearranges leadership as brand focuses on electrification

The Volkswagen overhaul continues into next year with a raft of new executive appointments that CEO Mattias Muller says will enable "Faster decision-making and more efficient action." One of the headline moves is Porsche head of design Michael Mauer taking over VW Group design, succeeding Walter de Silva who retired in early November after running the Group's styling bureau since 2007. Among the sheetmetal on Mauer's resume are the Mercedes SLK and SL from the late nineties, the 2007 Porsche Cayenne, the Panamera, and, most recently, the 918 Spyder. He will retain his current role at Porsche in addition to the new responsibilities. Here's hoping some of the excitement seen in the 918 filters its way down to VW's recently mundane offerings. Dr. Ulrich Eichhorn was head of Group R&D from 2000 to 2003, then went to Bentley, then left the company for the German Association of the Automotive Industry in 2012. He has been lured back to his old role in charge of Group R&D, taking over the shoes recently worn by Dr. Ulrich Hackenberg, who resigned in early December while still suspended over his involvement in the diesel emissions fiasco. Ralf-Gerhard Willner takes over Group Product and Modular Toolkit Strategy, after leading development vehicle concept divisions at Audi and VW, and being technical director at Italdesign Giugiaro. He will play a huge role as VW evolves and expands its current platform strategy to include purpose-built electric cars and flat batteries. All those bottoms will be in chairs in Q1 of next year. The number of department heads that report directly to Muller has also been cut, giving Muller more time to focus on "overarching issues of the future." VW says that primary among them will be technology issues from EVs to digital integration. Back in October the company hired Thomas Sedran away from Opel as a lead strategist, his job being to figure out how each of those technical departments and the Group's brands navigate the marketplace and those "issues" from now until 2025. The press release below has more. Related Video: Volkswagen Group continues structural and staff realignment- Functions in CEO's area of responsibility reorganized- Muller: "Faster decision-making and more efficient action"Wolfsburg, 17 December 2015 - The Volkswagen Group is becoming more streamlined and speeding up its internal decision-making process. To that end, functions in the area of responsibility headed by CEO Matthias Muller are being restructured.

VW planning 20 new plug-in models for China

With just about everything getting super-sized for China, Volkswagen is following suit with its plug-in vehicle plans for the world's most populous country. VW, Europe's largest carmaker, is looking to sell more than 20 different plug-in models in China within the next four years, Reuters says, citing comments Volkswagen Group China head Jochem Heizmann made in Shanghai. The company is hoping that translates to sales of more than 100,000 plug-ins in China by the end of the decade. Go big or go home, right? There's a huge plug-in vehicle opportunity in China, especially given the bad pollution situation in cities like Beijing and Shanghai and the Chinese government's incentives for plug-in vehicle buyers. Volkswagen CEO Martin Winterkorn said at the Beijing Motor Show this spring that the company would spend $25 billion on at least a half-dozen plug-in models for China by 2018. VW will start selling the e-Golf in China this year and the Golf GTE plug-in hybrid in 2015. VW said in August that it would start selling the e-Golf in the US for about $35,500 in November. That's a $6,500 price hike from the base Nissan Leaf.