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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:

Buy a McLaren P1 GTR, Porsche 918 Spyder, and a Ferrari LaFerrari all in one place

The McLaren P1, Porsche 918 Spyder, and Ferrari LaFerrari, are arguably the three greatest hypercars yet. Of course, their extremely limited production meant that some ultra-wealthy individuals may have missed out on picking one up. In fact, to get a LaFerrari, you needed to have owned a certain number of Ferraris, and be in good graces with the company. However, if there are any super-rich car enthusiasts reading this right now, your chance to buy one or all of these three supercars is coming up next month at the RM Sotheby's Villa Erba auction in Italy. It will occur on May 27, and feature a McLaren P1 GTR, Porsche 918 Spyder Weissach, and Ferrari LaFerrari. 2016 McLaren P1 GTR McLaren fans, will RM Sotheby's won't offering just any McLaren P1, but rather the hardcore, track-prepped GTR variant. In fact, the GTR is so hardcore that it isn't legal for the street. This particular version went to specialist Lanzante to be converted for road use. Take note that it's only road legal in the UK, and it may not meet laws for other countries. However, that's still more than most GTRs can boast, and if you have the money for this, you shouldn't have any issue taking it to the UK to unleash the P1 GTR's 986 horsepower on public roads. This car could use some driving, too, as it only has about 223 miles on it, some of which included just one track event. RM Sotheby's expects this McLaren to go for between $3.4 million and $3.85 million. 2015 Porsche 918 Spyder Weissach View 31 Photos The Porsche 918 Spyder going up for auction is a special one as well. The first difference you'll notice is that it has been painted a custom color called "Arrow Blue," a hue specially mixed up as part of Porsche's custom paint service. It also features the lightweight Weissach package, which loses a few extra pounds by replacing an assortment of parts for lighter components. Among them are magnesium wheels and wheel bearings, carbon fiber roof, windshield frame, rear fenders, and rear view mirrors, and even titanium-backed brake pads. According to RM Sotheby's those pads have been replaced with fresh 918-spec pieces. The previous owner clearly enjoyed his or her 918, as it has just over 6,800 miles. In case you're interested in a well-loved 918, the auction house expects it to sell for just under $1.3 million to about $1.5 million.

The 2014 Ruf RCT offers rear-drive action with 911 Turbo fun

Ruf has 37 years of experience of turning Porsches into even higher performance machines. For the 2014 Geneva Motor Show, it's unveiling the RCT, or Ruf Carrera Turbo, which offers power to split the difference between Porsche's 911 Turbo and Turbo S models.
The RCT starts with a unique body kit with a new front air dam and drastically changed rear deck that combines both a small spoiler and air intake. Power is provided by a twin-turbocharged, 3.8-liter flat-six with 525 horsepower and 502 pound-feet of torque paired to either a seven-speed manual or seven-speed dual clutch transmission. That gives the Ruf a 5-hp and 15-lb-ft advantage over Porsche's own Turbo but is still less powerful than the full Turbo S. The RCT sprints to 62 miles per hour in 3.5 seconds and to a top speed of 196 mph.
However, the Ruf's big advantage is that it offers buyers the choice of either rear-wheel drive or all-wheel drive, while Stuttgart's turbo models are only available spinning all four wheels. The RCT can also offers upgrades like an integrated roll cage and custom suspension packages, should the buyer be so inclined to splash out on racing kit.