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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:

Volkswagen names Piech's nieces to supervisory board

Volkswagen was left with two vacancies on its supervisory board after Ferdinand Piech and his wife Ursula were forced out a few days ago, and now it's filled them. Intriguingly, however, both of the new directors are Piech's nieces. The most obvious connection is Julia Kuhn-Piech, a real-estate professional who has sat on the board of VW's Man truck subsidiary since last year. Kuhn-Piech, 34, is the daughter of Ferdinand's younger brother Hans-Michel Piech (and by extension, niece of the ousted chairman). The other seat is being filled by Dr. Louise Kiesling, 57, a designer and daughter of Ferdinand's late older sister Louise Daxer-Piech. Keeping track of the lineage of the Porsche-Piech clan can be confusing, particularly with so many Ferdinands and Louises, but it breaks down essentially as follows: All are descended from Ferdinand Porsche, founder of the eponymous automaker and credited as the designer of the original Volkswagen Beetle. Porsche had a son and a daughter, the latter being Louise Porsche, who married Anton Piech and had four children: Ernst, Louise (mother of incoming board member Louise Kiesling), Ferdinand (the ousted chairman) and Hans Michel, father of the other incoming board member Julia Kuhn-Piech and a board member of both the Volkswagen Group and Porsche SE as well. The Piech and Porsche families control Porsche SE, which holds 50.7 percent of shares in the Volkswagen Group, which in turn owns Porsche the automaker. With all that in mind, appointing other members of the Piech-Porsche clan to the board follows logically enough - particularly since other members of the family helped oust Ferdinand from the chairmanship in the first place. The nominations, incidentally, also help VW increase its proportion of female board members. The two incoming Piechs will join Annika Falkengren of Swedish bank SEB and Babette Frohlich of the same IG Metall union as the board's interim chairman Berthold Huber. Wolfsburg, 30 April 2015 Dr. Louise Kiesling and Ms. Julia Kuhn-Piech appointed new members of the Supervisory Board of Volkswagen AG Upon application by the Board of Management of Volkswagen AG, Dr. Louise Kiesling and Ms. Julia Kuhn-Piech were today appointed members of the Supervisory Board of Volkswagen AG by Braunschweig Local Court with immediate effect. The appointments were made pursuant to Section 104 of the Aktiengesetz (German Stock Corporation Act) and were occasioned by the recent resignations of Prof. Ferdinand K.

Updated J.D. Power APEAL study shines on VW Group, Chevy

J.D. Power has just revealed the results of its 2013 APEAL Study, which looks at which brands have the most appealing cars based on sales figures, dealer inventory, brand loyalty, transaction and trade-in prices. The study was revamped for 2013, and places a larger focus on the new tech and infotainment options available to customers. All told, study participants gauged their vehicles on 77 different attributes, delivering a score out of a 1,000 points.
The Volkswagen Group had the greatest success of any corporation, topping the APEAL rankings with the Audi Allroad, Porsche Boxster, Porsche Cayenne, VW GTI and Passat. Chevrolet had the highest number of awards for a single brand, though, with the Avalanche, Sonic and Volt all taking home a prize.
The best brand overall was Porsche, which scored 884 out of a possible 1,000 points. The top Japanese brand was Lexus with a score of 847, while the top American brand was Cadillac, at 841. The best mainstream brand was Ram, which received a very respectable 817. The industry average for this year's study was 795, with 16 brands, all of which were mainstream, falling below the average.