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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.

A closer look at the 2015 Porsche Macan

He assured us that "this is a sports car."
Porsche took the wraps off its all-new 2015 Macan at the LA Auto Show last week, and while it's easy to write it off as just a badge-engineered version of the Audi Q5, you'd be very, very wrong. For starters, 75 percent of the car's platform was re-engineered by the Porsche team, and with a choice of two twin-turbocharged engines, the Macan should absolutely live up to the brand's pedigree.

Porsche 911 RSR stops just long enough to have its photo taken

When it comes to Porsche and its rapidly escalating endurance racing program, all eyes may be on the new 919 Hybrid - and with good reason: that's the vehicle with which Porsche will be challenging the likes of Audi and Toyota for wins in the top-tier LMP1 class of the FIA World Endurance Championship and at Le Mans. But it's the 911 RSR that does and will continue to form the backbone of the factory's effort.
The 470-horsepower racing version of the road-going 911 took a one-two finish in its class at Le Mans last year, and also won its class at the Daytona 24 this past January as well. This year Porsche will field two of them in the WEC, another two in the United SportsCar Championship here in the US and will sell countless more to customer racing teams that will undoubtedly continue to rack up trophies in racing series around the world. This, then, might be a unique chance to see one standing still. Check it out in our gallery of live images above from the Geneva Motor Show.