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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:

Porsche reviving 718 name for new Boxster and Cayman

The next-generation Boxster and Cayman are coming next year, and when they launch, they'll have a new name: 718. There's historical significance there – in 1957, Porsche launched the 718 racecar with a mid-mounted, four-cylinder engine. And when the new Boxster and Cayman come to market, they'll be powered by a new turbocharged, flat-four engine, mounted amidships just like in the current cars. That powertrain isn't a surprise, but the name change certainly is. Officially, the cars will be called 718 Boxster and 718 Cayman, and Porsche says the two models "will share more similarities than ever before," both visually and mechanically. What's more, Porsche confirms the 718 Boxster will carry a higher price tag than the 718 Cayman, which is a switch from the company's current pricing strategy – right now, a base Cayman costs $500 more than a standard Boxster. Technical details haven't been confirmed yet, but an earlier report suggests the 2.0-liter flat-four will produce 240 horsepower in the base cars and 300 hp in the S models. GTS versions are tipped to produce as much as 370 hp from this same flat-four engine. Both 718 models will be unveiled throughout the course of 2016. Have a look below for Porsche's official statement. Related Video: Boxster and Cayman to be branded as 718 model range next yearPorsche's mid-engine sports cars to receive new name Atlanta, Georgia. The mid-engine sports cars from Dr. Ing. h.c. F. Porsche AG will be named 718 Boxster and 718 Cayman, respectively, when the models are introduced over the course of 2016. The 718 designation is a reference to the ground-breaking sports car Porsche introduced back in 1957, which achieved great success in a number of renowned car races. The 718 Boxster and 718 Cayman will share more similarities than ever before – both visually and technically. In the future, both will have equally powerful turbocharged flat-four cylinder engines. The Roadster will be positioned at a higher price level than the Coupe – as is the case with the 911 models. The 718 model range is driven by the four-cylinder concept and the history of distinguished Porsche sports cars. The latest example is the 919 Hybrid LMP1 race car, which is powered by a highly-efficient, turbocharged 2.0 liter four-cylinder engine.

Porsche LMP1 to use 4-cyl hybrid powertrain [w/poll]

With the Formula One season - and indeed his entire F1 career - now behind him, Mark Webber took advantage of his early release from Red Bull Racing to try out the new LMP1 which Porsche is developing, undertaking the final test session of 2013 before Porsche throws it head first into the FIA World Endurance Championship next April. The session - which followed previous tests at Magny-Cours, Monza, Paul Ricard and the Eurospeedway at Lausitz - was held at the Algarve circuit in Portimão, Portgual, in collaboration with Michelin, which is developing the tires for the car. But that's hardly the news here.
No, the news is the first confirmation we've seen on the type of powertrain Porsche has developed for its new Le Mans prototype: a gasoline-burning four-cylinder engine with direct injection and two energy recovery systems. This contrasts sharply with the V6 turbodiesel and single electric motor used by Audi in the R18 e-tron Quattro (or at least the outgoing version) or the naturally-aspirated V8 and single electric motor found in the Toyota TS030. Flexibility in the rules set down by the FIA and ACO give the manufacturers that kind of latitude, prompting F1 teams like Ferrari and Renault to consider developing their new engines for Le Mans prototypes as well.
At this point Porsche isn't saying how large its four-cylinder engine is or how much power it will produce. But it'll be interesting, to say the least, to see how it fares against the Audi and Toyota in next year's championship and at Le Mans when it'll be piloted by Webber, former Lola LMP1 driver Neel Jani and Audi's own 2011 Le Mans-winning pair of Romain Dumas and Timo Bernhard.