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Porsche accused of using steering inputs to cheat on emissions tests

Last week, the German transport authority KBA announced it was investigating Porsche and Audi for cheating on emissions tests. Wirtschaftswoche, a German economic publication, says the KBA's investigation focuses on a system that uses steering inputs to determine whether or not the car is being tested. While Audi has recalled 24,000 models, Automotive News reports that currently Porsche denies any wrongdoing. According to KBA, if the affected cars measured a steering input of 15 degrees or more, they would emit excess nitrogen oxide emissions. It's important to note that this is different than Volkswagen diesel CO2 emissions. The cars broke European strict emissions standards, so it's unclear what impact this has on cars in the US. Audi has recalled the A7 and A8, though it's unclear which Porsche models the KBA is investigating. Fifteen degrees is a small amount of steering input. The wheel can move that much just to move around a pothole or bump in the road. Essentially, if you're driving, you're moving the wheel at least 15 degrees in one direction or the other. If these allegations turn out to be true, it's going to be another blow to Volkswagen, Audi, and Porsche. While public trust in Volkswagen is supremely low, for the most part, Porsche's image has remained fairly clean. NOx emissions don't have as big of a long-term effect as CO2, though they're still bad for humans. Related Video: News Source: Wirtschaftswoche, Automotive News Government/Legal Green Recalls Audi Porsche Emissions

Here's how to follow this weekend's 24 Hours of Le Mans

In the pantheon of motorsports, the 24 Hours of Le Mans stands as one of the great endurance challenges to man and machine. This year's event in France already looks to be one for the ages with Porsche setting record-breaking times in practice and the competition debut of Nissan's front-engine, hybrid racer. Thankfully, there's a massive list of ways to follow this automotive attraction. Reilly Brennan, the Executive Director of the Revs Automotive Research Program at Stanford University, and a friend of Autoblog, has once again assembled a helpful couch-kit to organize many of the options. Unfortunately, the old-school way of just turning on the television might be the most frustrating way to watch Le Mans this year. Fox Sports 1 and 2 are carrying about half the race, but the coverage bounces between them seemingly at random. The broadcast begins on Fox Sports 2 at 8:30 AM Eastern ahead of the 9:00 AM start and lasts there until 12:00 PM. Things don't pick up again until 7:00 PM Eastern on Fox Sports 1 for an hour, and the channels swap back and forth more from there. The Fox Sports Go streaming app offers more, but even it stops showing the race a few times. Thankfully, streaming Le Mans is easy. If you can't dedicate 24-hours on the couch, Radio Le Mans lets you listen to audio commentary anywhere with some of the best announcers in the biz. The Automobile Club de l'Ouest, the governing body for the race, also offers an official video stream in an app for $9.99. For a really low-tech solution, the official Twitter is another choice. Brennan is keeping his list updated with coverage changes. You can also check out and download the spotter's guide (from Nissan) in the gallery above. Enjoy this year's race. If you miss anything, don't worry; expect a full report from Autoblog. In fact, editor-in-chief Mike Austin is attending Le Mans this year, so follow him on Twitter for on-the-fly impressions. Featured Gallery 2015 24 Hours of Le Mans Spotter's Guide News Source: Reilly BrennanImage Credit: Nissan Motorsports Audi Nissan Porsche Toyota Hybrid Racing Vehicles

Porsche 911 driven by McQueen on Le Mans set for auction

Another piece of Porsche memorabilia from the movie Le Mans is going up for auction with Christie's at The Exceptional Sale on Nov. 4 in Paris. This is a 1971 911 T that Steve McQueen used as his personal car during filming - it is not the 1970 911 S seen in the movie's opening sequence. It is one of the Porsches provided by two-time Le Mans winner and stunt driving double Jo Siffert. McQueen's production company CBS Solar Films bought the 911 T from Siffert, one of four 911s CBS Solar bought from the Swiss driver for use in and during filming. McQueen gifted the car to co-star and leading lady Elga Andersen. When she died in 1994 she willed it to her best friend, and the friend sold it to the current owner, who put it up for sale. None of them put the car to much use, as it has only 28,637 miles on the odometer, which is fewer than 55 miles per month for the last 44 years. The pre-sale estimate for this car is $284,000 to $397,000. By comparison, the 911 S used in the movie's opening sequence sold at auction in 2011 at Monterey for $1,375,000. In addition to being a relative bargain in that case, it comes with a scan of the original contract from Siffert to Anderson giving her the car, and a picture of McQueen and his son Chad with the coupe. Related Video: News Source: Christie's [1], [2] Celebrities TV/Movies Porsche Auctions Coupe Luxury Performance Steve McQueen christies 1971 porsche 911t