2006 Porsche Cayenne S Sport Utility 4-door 4.5l on 2040-cars

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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.

McLaren P1 vs Porsche 918 vs Ducati 1199 Superleggera in epic standing-mile drag race

We live in a high-tech supercar renaissance, with the Porsche 918 Spyder, McLaren P1 and Ferrari LaFerrari all duking it out for performance supremacy. All three members of this power trio place the engine behind the driver and use some kind of hybrid assist. However, each one finds a slightly different way to make that setup work. While all of the tech is insanely cool, let's just admit that we are all really wondering which one is the quickest and which is the fastest. Autocar aims to find out in a new video pitting two of them against a surprise challenger in the standing mile.
Unfortunately, the race is missing the Ferrari, despite Autocar's best efforts. So instead, it has another limited-edition, high-performance vehicle from Italy in the form of the Ducati 1199 Superleggera. The bike has just two cylinders, but at 1.2-liters of displacement, it makes over 200 horsepower, and all that gumption is packaged into a magnesium monocoque body with carbon fiber bodywork to keep weight low. Granted, the cycle is going up against the 875-hp Porsche and 903-hp McLaren, but traction, aerodynamics and gearing all play a part in this fascinating video.
There's no sense in ruining the winner before watching, but Autocar teases that the finish is one of its closest drag races ever. Check out the video to find out just what that means.

Porsche planning jacked-up 911 Safari? [w/poll]

The Porsche 911 may, for some, be the quintessential sportscar. And that typically means keeping it on paved roads and racing circuits. But there's a proud history to taking the Elfen off-road that traces back to specially-prepared 911s (like the one pictured above) which Porsche fielded in rallies in the late '70s and early '80s. And now Porsche is reportedly preparing to tap back into that history with a new off-road 911 model, according to the Auto Bild Motor Revue.
Tipped to be called the 911 Safari, the special variant would be based on the Carrera 4 but upgrade with bigger tires fitted to a beefed-up suspension with higher ground clearance and underbody skid plates. The model is expected to be presented initially as a concept at the Beijing Motor Show next April. But if enough interest is expressed - particularly from buyers in developing markets where the roads might not be as smooth as those to which North American and European drivers have become accustomed - Stuttgart could put it into production in 2016, when the current 991 is expected to get a mid-cycle refresh.
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