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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:

VW offers to buy back new diesels if bans introduced

By Maria Sheahan FRANKFURT, Germany — Volkswagen will buy back new diesel cars if German cities ban them, it said on Thursday, seeking to reassure potential buyers and stem a plunge in sales of diesel vehicles. Europe's biggest automaker also said it would extend incentives for buyers of new diesel cars. The moves come after a German court ruled last month that cities in the country could ban the most polluting diesel vehicles from their streets. Many German cities exceed European Union limits on atmospheric nitrogen oxide, known to cause respiratory diseases. Fears of bans have led to a plunge in demand for diesel vehicles, which are also key to carmakers' attempts to meet new EU rules on carbon dioxide (CO2) emissions. While diesel cars are heavily criticized for emitting nitrogen oxide, they spew out less CO2 than gasoline equivalents. Diesel car sales plunged 19 percent in Germany last month. At its core VW brand, Volkswagen said its buyback offer applied to new diesels bought between April 1 and the end of 2018 and would kick in if the city in which the buyer lived or worked banned diesels within three years of the purchase. It said its dealerships would buy back diesel vehicles affected by bans at their current value if their owners at the same time bought a new vehicle that was not affected by cities' driving restrictions. At Czech brand Skoda, the guarantee applies to cars bought between April 1 and the end of June, but will cover bans introduced within four years of the purchase date. At premium brand Audi, the offer only covers leased vehicles. Volkswagen also said it was extending to the end of June incentives for customers trading in older diesels for new ones. Fellow German carmaker BMW said earlier this month it would offer to take back leased vehicles if diesels were banned within 100 kilometers (62 miles) of the operator's home or place of work. There has been a global backlash against diesel-engine cars since Volkswagen admitted in 2015 to cheating U.S. exhaust tests. But Germany's government is seeking to avoid widespread bans on heavily polluting diesel vehicles, which companies say could cut the resale value of up to 15 million vehicles in Europe's biggest car market. In Germany, where motorists expect to drive powerful cars on motorways with no speed limits, any restrictions will be unpopular.

2016 Audi A6 to start at $46,200*, A7 begins at $68,300*

Audi has announced pricing on the new A6 sedan and A7 four-door coupe, with the former starting at $46,200 for a 2.0-liter, turbocharged four-cylinder and front-wheel drive. Of course, things can and do climb rapidly from there. Adding Quattro all-wheel drive to the four-cylinder model bumps the price up $2,200, while moving from the base Premium to the mid-level Premium Plus trim will add $3,700, regardless of the drivetrain. Speaking of that Premium trim, it's only available on the 2.0-liter A6. Every other variant starts with the Premium Plus. At that point, the cheapest six-cylinder you can get is the $57,400 model, while the diesel-powered A6 TDI starts at $59,500. Moving up to the top-end Prestige trim bolsters the price by $4,200, for both engines. If you fancy the sleeker lines of the A7, the entry-level 3.0-liter Premium Plus can be had for $68,300, while the TDI runs $70,400. While the starting price is higher than the A6, adding the Prestige trim is more reasonable, with both engines demanding $2,650 for the top-tier equipment level. And of course, we can't get away without mentioning Audi's high-performance models. A base S6 Premium Plus begins at $70,900, while the Prestige is $75,300. The S7 and RS7, both of which are limited to the Prestige trim level, start at $82,900 and $108,900, respectively. None of the above prices include the standard $925 destination charge. Scroll on down for the official press release on the pricing changes for the new Audi A6 and A7. Related Video: Audi announces pricing for the new 2016 A6 and A7 model lines April 17, 2015 | Herndon, Virginia Award-winning vehicles get more dynamic designs, improved technology and greater power and efficiency New 2.0 Liter TFSI engine – the most powerful engine in its class, with greater performance and efficiency Standard next generation of MMI® with Audi connect® and rapid 4G LTE connectivity Audi today announced pricing for the 2016 A6 and A7 model lines. With new engines and updated design, all Audi A6 and A7 models now offer more power, greater fuel efficiency and class-leading technology for two of the Audi brand's top-selling vehicles. The 2016 A6 and A7 sedans boast more athletic design as well as new headlights and driver assistance systems. New infotainment systems provide even higher levels of interior luxury and refinement.