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EPA discovers defeat device in more VW TDI engines

In a sternly worded letter, the United States Environmental Protection Agency has issued a new set of allegations against Volkswagen claiming that so-called emissions defeat software has been found in the company's 3.0-liter TDI V6 diesel engines. This is a completely different engine than the 2.0 TDI that has already been identified as an emissions cheater. In addition to VW, the EPA has included Audi and Porsche in this notification, as the non-compliant engine has been used in vehicles from all three manufacturers from model years 2014 through 2016. The EPA claims that cars equipped with the 3.0 TDI engine know when they are being tested for emissions, and their on-board computers switch into a mode designed to pass the stringent requirements in the United States for diesel exhaust. Vehicles sold in the United States with this engine include the 2014 VW Touareg, 2015 Porsche Cayenne, and 2016 Audi A6, A7, A8L and Q5. The EPA says there are 10,000 vehicles currently on the road with this second defeat device, along with an unknown number of 2016 models either on dealer lots or in the driveways of consumers. According to the EPA, VW's 3.0-liter TDI, like the 2.0 TDI that was found to circumvent US regulations, has code in its computer specifically written to intentionally put the vehicle's engine into a mode that allows it to meet exhaust requirements. When the vehicle is unhooked from testing equipment, it will go back into a mode that emits nine-times higher nitrogen oxide emissions than is allowable under US law. "VW has once again failed its obligation to comply with the law that protects clean air for all Americans," said Cynthia Giles, Assistant Administrator for the Office for EPA's Enforcement and Compliance Assurance. "All companies should be playing by the same rules. EPA, with our state, and federal partners, will continue to investigate these serious matters, to secure the benefits of the Clean Air Act, ensure a level playing field for responsible businesses, and to ensure consumers get the environmental performance they expect." Richard Corey, Executive Officer of the California Air Resources Board, said in a statement, "Today we are requiring VW Group to address these issues. This is a very serious public health matter. ARB and EPA will continue to conduct a rigorous investigation that includes testing more vehicles until all of the facts are out in the open." This story will be updated as new information becomes available.

Eight things we learned about the 2017 Porsche Panamera

We just spent two days in Germany with the 2017 Porsche Panamera, and now that we're back home in the States it's time for show and tell. The design is probably the most noticeable difference, but there is a lot going on inside and underneath this new Porsche sedan. Here are eight important bits worth talking about. It's longer, wider, and taller than before. The new Panamera is 198.8 inches (+1.3) long, 76.3 inches (+0.2) wide, and 56 inches (+0.2) high. It doesn't look bigger in person, though. Parked side-by-side, the 2017 Panamera looks chiseled and lean where the previous model was bulbous. The front and rear overhangs are reduced, aiding in the visual deception. We've already said that the 2017 Panamera is much prettier in person than its predecessor, and that's especially true from the rear three-quarter angle. There's a short flat surface at the tail below the rear glass, and the roofline over the rear of the passenger compartment was dropped by an eighth of an inch. Coupled with the new rear brake lights that are connected by an eye-catching light strip, those small detail changes make a dramatic impact on the car's overall appearance. Say goodbye to buttons. Physical buttons are quickly fading out of style, and the 2017 Porsche Panamera is the first vehicle from the German automaker that follows the trend. A sea of black plastic greets Panamera occupants, at least until the car is turned on. Then, the Porsche Advanced Cockpit lights up. Touch-sensitive controls abound for the driver and passengers both front and rear. The Advanced Cockpit definitely cleans up the Panamera's interior compared to the mess of buttons inside the first-gen model. We haven't been given the opportunity to put the new cockpit through its finger-friendly paces, but we're sure that if you understand how to operate a tablet, you've got the basics down already. Here's hoping it's intuitive and easy to use without diverting too much attention from the road. And wish a fond farewell to gauges (mostly). There's only one physical gauge inside the Panamera (unless you count the analog timer atop the dash on models equipped with the Sport Chrono Package). A tachometer sits directly in front of the driver. In a nod to Porsches past, it's designed to invoke memories of the classic 356. Besides that one throwback, the instrument cluster is dominated by twin seven-inch digital displays that flank the lone dial.

RM Sotheby's Turbollection features exotics from the '80s and '90s

If you have even a passing interest in cars, there's little doubt you know a thing or two about Porsche, whether the topic centers around a classic name like 911 or the more mainstream Cayenne and Macan crossovers. Bugatti? Sure, most people know about the historic French builder of world-class, record-setting automobiles, though admittedly the EB110 we're about to show you probably wouldn't be the first to come to mind. Fewer are likely familiar with the likes of Vector Aeromotive, a tiny American company with history that dates back to the 1980s. And we'd wager that most have never even heard of the likes of Isdera and Cizeta. Brush up on your history, (super wealthy car collecting) folks. RM Sotheby's has an exciting array of cars coming up for auction during the Monterey Car Week festivities on California. Among all the expected Ferrari, Lamborghini and Shelby classics potential buyers can wade through, the so-called Turbollection collection features much rarer oddities.