2014 Volkswagen Jetta Tdi on 2040-cars

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Audi exec suspended over diesel scandal

So far, just one lower-level employee has plead guilty in the ongoing VW diesel scandal. Up high, the VW CEO when the scandal broke, Martin Winterkorn, resigned right after the news came out. Other executives have also quit or been suspended as well. Today, we learn that one more executive is feeling the heat a year into the scandal. Stefan Knirsch, the head of technical development at Audi and Audi board member, is going to be suspended from his position this week because of his ties to the technology that VW Group used to cheat emissions tests. The German newspaper Bild Am Sonntag reports that Knirsch not only knew that the cheating software existed but also lied about it under oath. Knirsch previously worked at Porsche and then Audi's electrification division. He left Audi's EV efforts behind in early 2015. News Source: ReutersImage Credit: REUTERS/Denis Balibouse/File Photo Government/Legal Green Audi Volkswagen Diesel Vehicles vw diesel scandal audi diesel diesel scandal

West Virginia researcher describes how Volkswagen got caught

The cheating scandal engulfing the world's largest automaker started with a road trip. In the spring of 2014, researchers from West Virginia were evaluating the tailpipe emissions of diesel cars made for the American market by European manufacturers, something never before studied in the academic realm. Excited by the prospect of breaking new ground, the team of two professors and two students wanted to gather as much data as possible. "And being academics, we went a little overboard," said Arvind Thiruvengadam, one of the students. "Being academics, we went a little overboard." Overboard included driving the cars for more miles than they needed to test and verify results. Drivers put about 1,500 miles on each of the first two cars in the study, a Volkswagen Jetta and BMW X5, along California roadways. For their final car, a Volkswagen Passat, they wanted even more mileage. So they took the car on a road trip from Los Angeles to Seattle and back again, collecting data from more than 2,000 miles of testing. The road trip was Volkswagen's undoing. When the West Virginia team returned to Los Angeles, they were befuddled by the test results. In theory, the Passat should have spewed the lowest levels of pollutants among the three cars. Equipped with the more modern selective catalytic reduction technology, the team expected to find minimal levels of nitrogen oxide. But the car, which had been certified at a California Air Resources Board facility prior to the start of the road trip, had elevated levels of NOx that were 20 times the baseline levels established beforehand. The researchers, comprised of professors Gregory Thompson and Dan Carder and students Marc Besch and Thiruvengadam, knew their on-board equipment functioned properly because, early in their research, they had double-checked its accuracy after recording sky-high NOx readings from the Jetta that showed 30 times the level of its baseline testing at the CARB facility. It was particularly noteworthy because the Jetta contained the first-generation Lean NOx Trap technology, not the more efficient SCR, yet both produced large discrepancies. The BMW, on the other hand, performed as expected. Today, Thiruvengadam is careful to say the research team never suspected Volkswagen of cheating on emissions testing, nor did the researchers report such a finding. They merely reported their findings to CARB officials who then further investigated.

VW considering single, cheaper li-ion cell for all plug-in vehicle batteries

Volkswagen is finding rapid success in the battery electric vehicle market; especially in Europe where the e-Golf is already the segment sales leader. Recent concepts like the C Coupe GTE, Sport Coupe GTE and Cross Coupe GTE suggest more plug-in hybrids from the company are on the way, too. To make future models more economical, the German automotive giant is considering switching to a standard design for its lithium-ion battery cells. Using standardized parts is a long-accepted principle in production because it leads to economies of scale, and a company can pass on the savings to buyers or pocket the money to boost profits. VW is aiming for a massive 66-percent drop in costs by switching to a unified design, according to Heinz-Jakob Neusser, the board member in charge of development, to Automotive News. While the cells would be uniform, they could be crafted into different modules to fit each specific model. VW currently buys cells from Panasonic and Samsung for various models, but under the new plan all of the automaker's brands would switch to a single one. "We have a clear understanding in the group of a common cell," Neusser said, according to Automotive News, without suggesting when a change might happen. VW also has a few months decide on a different future for its EVs. The automaker is reportedly considering whether to use sold-state lithium-ion batteries from a US-based supplier for upcoming models. The next-gen tech could potentially give a massive boost in range while also being fireproof.