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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:

Senators want civil, criminal actions against VW

With the Department of Justice just beginning its investigation into Volkswagen's emissions evading diesels, Senators Richard Blumenthal and Amy Klobuchar are pushing for the automaker to be prosecuted to the fullest extent of the law both civilly and criminally. In a letter to Attorney General Loretta Lynch, they press the agency to make its scrutiny "thorough but expeditious." The politicians allege that VW misled people while pumping huge amounts of pollution into the air. The Senators believe that all the information about VW's actions needs to make it to the public eye, and the DOJ must have a strong response to the automaker breaking the law. "Officials at Volkswagen should be granted no get out of jail free card, and the Department should accept no plea agreement with Volkswagen that does not ensure any and all information regarding criminal acts by high level officials is provided to the Department," they write. Senator Blumenthal is no stranger for championing changes in the auto industry as of late. He was an advocate for the General Motors Ignition Switch Compensation Fund and pushed for a similar organization for Takata airbag victims. He has also been a staunch supporter for greater automotive cyber security. Blumenthal, Klobuchar: Department of Justice Should Take Strong Civil and Criminal Actions Against Volkswagen for Any Violations Monday, September 28, 2015 Condemns Volkswagen's actions that misled hundreds of thousands of consumers and resulted in tens of thousands of tons of additional pollution emissions Calls for thorough but expeditious investigation (Washingtion, DC) – U.S. Senator Richard Blumenthal (D-CT) and U.S Senator Amy Klobuchar (D-MN) today urged the U.S. Department of Justice (DOJ) to take strong civil and criminal actions against Volkswagen for any violations following the German carmaker's actions that misled hundreds of thousands of American consumers and resulted in tens of thousands of tons of additional pollution emissions. In a letter to Attorney General Loretta Lynch, the senators called for a "thorough but expeditious" investigation. "Officials at Volkswagen should be granted no get out of jail free card, and the Department should accept no plea agreement with Volkswagen that does not ensure any and all information regarding criminal acts by high level officials is provided to the Department," wrote Blumenthal and Klobuchar. "The U.S.

Volkswagen Cross Coupe GTE concept previews new midsize CUV... again

Volkswagen has taken a big step towards the long-awaited second model to be built at its Chattanooga, TN factory, introducing the two-row Cross Coupe GTE Concept at the 2015 North American International Auto Show. The relatively handsome two-row crossover borrows its basic styling language from the CrossBlue Concept that launched at the 2013 Detroit show (that we later had a brief chance to drive), and the CrossBlue Coupe from that year's Shanghai Motor Show. To be entirely frank, it just looks like a much more production-ready version of the Shanghai concept. The more aggressive elements of that model, like its rear taillights, rounded wheel arches, and aggressive front and rear fascias, have been toned down considerably. In other words, this concept almost wouldn't look out of place on the average road. Changes in the cabin are similarly minor, with the same basic design as the CrossBlue, complemented by a 12.3-inch digital instrument cluster and a 10.1-inch touchscreen display. While it's still quite clearly a concept car interior, it's not hard to imagine VW transitioning this cockpit into a production model. Riding atop the Volkswagen Group's MQB architecture – making it a relative, albeit distant, of cars like the VW Golf, Audi TT and the Euro-market Passat – the Cross Coupe GTE is motivated by a 3.6-liter VR6 that's been mated to not one, but two electric motors (one on each axle). The gas engine offers up 276 horsepower and 258 pound-feet of torque, while the front axle's electric motor generates 54 hp and 162 lb-ft of torque, and the rear can deliver a more robust 114 hp and 199 lb-ft of torque. That cacophony can be easily boiled down to this: the Cross Coupe GTE has a total system output of 355 hp and 280 pound-feet of torque, which is good enough to get the five-seater to 60 miles per hour in six seconds, on to a top speed of 130 miles per hour. As a plug-in hybrid, though, there's more to the Cross Coupe GTE then just its power output. Range plays a big role, and in that regard, this concept is fairly average. It can cover 20 miles when its 14.1-kilowatt-hour lithium-ion battery is charged up. Beyond that, the drivetrain can be set to a number of modes to optimize the behavior of plug-in-hybrid powertrain. In E-Mode, which can be locked in via a battery hold/battery charge mode, all 20 miles of range are available, although the Cross Coupe's driver will only have the 114-hp rear axle electric motor to work with.