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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.

Top Gear drag races VW Golf R against McLaren 675LT and Porsche 911

Top Gear's latest quarter-mile drag race in the collects three very different performance vehicles: the 296-horsepower Volkswagen Golf R, 424-hp Porsche 911 Carrera GTS, and 666-hp McLaren 675LT. While each of these cars sit near the top of their segment, they each come from totally different rungs of the sports car price ladder. Spoiler alert, the Golf R doesn't win. But the final results illustrate the diminishing returns of price and performance. For example, the McLaren is only about a second quicker than the Porsche to 60 miles per hour, but the 675LT costs over 2.5 times more that the GTS. Related Video:

Volkswagen's new Passat Alltrack ready to scale the Alps

Volvo may be stepping up its off-roading game with a greater variety of Cross Country models tumbling out the factory in Gothenburg, but the other (larger) European automaker whose name starts with the letters V-O-L is also broadening and updating its range of road-going automobiles equipped to handle a little soft-road duty. Aside from Audi's Allroad line, Skoda's Scout models and the new Seat Leon X-Perience, the Volkswagen brand itself has recently showcased Alltrack versions of the Golf, Multivan and of course the Passat. And now it's announced a new version of the latter for the European market. Based on the Euro-spec Passat Variant, the new VW Passat Alltrack follows a familiar formula: take a station wagon, equip it with all-wheel drive, jack up the suspension, add some lower body cladding and some new trim and – voila! – you've got a pseudo rough-roader on your hands. Set to debut in just a couple of weeks from now at the 2015 Geneva Motor Show, the new Passat Alltrack is visually distinguished by its new bumpers, underbody protection, beefed-up wheel arch moldings and a ride height increased by over an inch to the benefit of ground clearance as well as approach and departure angles. European buyers who like to leave the road every once in a while (or give the impression that they do) will be able to choose from a range of five engines: two burning gasoline with either 148 horsepower or 217, and three diesels available in 148-, 187- or 237-hp states of tune. The base TSI and TDI engines are mated to a six-speed manual, while the top three are hooked up to a six-speed DCT, but they all come with 4Motion all-wheel drive as standard. All but the base TSI model boast a towing capacity of 1,800 kg, enhanced by a Trailer Assist system that automatically lines the vehicle up to a trailer. It even comes equipped with an off-road mode that incorporates Hill Start Assist and Hill Descent Assist to make any journey across the Alps a breeze. Wolfsburg / Geneva, 19 February 2015 World premiere of the new Passat Alltrack All-wheel drive all-rounder combines the best of on-road and off-road driving - Passat Alltrack: 100 per cent 4MOTION – from 150 PS to 240 PS - Superior off-road performance with off-road mode and all-wheel drive Ten important facts about the world premiere of the Passat Alltrack: 1. Permanent 4MOTION all-wheel drive as standard. 2. Distinctive off-road look with new bumpers, underbody protection, door sill and wheel arch trims. 3.