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New info on how VW, Porsche, Audi V6 TDI engine cheat works

The German newspaper Bild am Sonntag is reporting that US investigators have found three pieces of software that work in concert to turn off the emissions control equipment in certain diesel models after a set period of time. The engine in question, the 3.0-liter TDI turbodiesel, was found in certain Volkswagen Touareg, Audi Q7, and Porsche Cayenne models – the sale of which was suspended in the US late last year. Since most emissions compliance testing takes around 20 minutes, the software in the three VW Group models shuts off the emissions control equipment after 22 minutes, a straightforward end run around the testing. Remember that the 3.0-liter TDI engines aren't included in the big buyback and recall program announced for the smaller 2.0-liter, four-cylinder TDI engines. The 3.0-liter engines will likely get their own program, but we don't know when to expect it or exactly what it will look like. Last month, California rejected a proposed fix for the larger TDI engines, and VW went back to the drawing board. Since the company is unlikely to create two fixes, one for California and one for the rest of the nation, the company can't really proceed until they figure out a solution California will accept. The EPA hasn't officially commented on the report, and we don't know how Bild am Sonntag came across the information, but we'll be closely watching what emerges after this report. Related Video:

Top Gear brings together LaFerrari, McLaren P1 and Porsche 918

Earlier this month, Top Gear released a brief video of the comparison test between three hybrid hypercars we'd all been waiting for: the Ferrari LaFerrari, McLaren P1 and Porsche 918 Spyder. The story was done by the print magazine and not by the television show, and the video they released was barely over half a minute long, reserving the full version for subscribers of the iPad edition. Now the British mag has put the full video on YouTube, and while it's still only a minute and a half long – three times the length of the previous teaser – it's packed with electrified exotic goodness. The test surely took some serious wrangling to put together, and though the metal (or carbon fiber, as the case may be) was apparently furnished mostly by private owners, to hear Top Gear tell it, the manufacturers – Ferrari, McLaren and Porsche – were eager and helpful in putting the showdown together. For the final conclusions, we're afraid you'll still have to buy the magazine, but for a rare chance to watch all these three world-beaters on the same road at the same time, you'll want to scope out this latest video clip. Related Video: News Source: Top Gear via YouTube Ferrari McLaren Porsche Hybrid Supercars Videos porsche 918 spyder mclaren p1 ferrari laferrari

Porsche celebrates 50 years of 911s with limited edition model

Despite being 50 years old now, the Porsche 911 sure is looking good for her age. And to commemorate this milestone anniversary, Porsche has created the 911 50 Years Edition you see here, which will make its debut at the 2013 Frankfurt Motor Show - 50 years after the original 911 debuted at this very same expo.
What's really neat about the 50 Years Edition is that it houses a rear-wheel-drive setup inside of the wider body used for all-wheel-drive Carrera 4 and 4S models. Found at the back is the 3.8-liter flat-six from the Carrera S, upgraded with the Powerkit package that increases horsepower from 400 to 430 and includes the Sport Chrono setup. According to Porsche, hitting 60 miles per hour takes just 4.2 seconds with the seven-speed manual transmission, or 3.8 seconds with the optional dual-clutch PDK.
Visual changes include two special paint colors - a darker graphite grey and a lighter geyser grey - unique 20-inch wheels that pay homage to the original Fuchs rollers of the 1963 car, and special badging at the rear and on the door sills. Inside, there are more throwbacks to the original 911, with green labeling on the instruments, white pointer needles and silver accents. What's more, the leather seats feature a fabric insert reminiscent of the Pepita design from the '60s. Looks great to us.