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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.

Everyone but VW and Tesla has recalled their Takata airbags

Takata's massive airbag inflator recall affected over 32 million vehicles from 11 automakers in the US, but two companies buying the supplier's parts haven't been affected so far: Volkswagen and Tesla. There are 887,055 VWs and 184,926 Teslas using Takata's inflators with ammonium-nitrate propellant, a new accounting shows, according to Automotive News. That doesn't necessarily mean the models need to be recalled. These figures came from a report that Takata prepared for the National Highway Traffic Safety Administration, which listed all of the vehicles it supplied with ammonium nitrate-fueled inflators. The substance is believed to be linked with the components' rupturing, along with manufacturing defects and humidity. "We're not asking because we've got reports of problems; we just need to figure out what the universe is," NHTSA spokesman Gordon Trowbridge said to Automotive News. Takata reportedly told Tesla that the inflators in its EVs are not affected with these problems, and VW is investigating a case in June where a side airbag allegedly burst in a 2015 Tiguan, Automotive News reports. The government is also still researching the precise cause of the parts' ruptures. If the investigation finds ammonium nitrate to be a factor, the vehicles could need recalled. During a Congressional hearing Takata vice president Kevin Kennedy admitted that ammonium nitrate could be among the factors of the ruptures, but the company has continued to use the chemical in its inflators. Takata is now working to transition to a different propellant. Related Video:

VW ID. Buzz revealed, electric Chevy Blazer SS teased | Autoblog Podcast #720

In this episode of the Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Senior Editor, Green, John Beltz Snyder. The Volkswagen Bus revival is the big news this week, but first, we discuss winter driving in our long-term Hyundai Palisade, and review the Hyundai Kona Electric and Jaguar F-Pace SVR. Then they dive into the reveal of the VW ID. Buzz, and Chevy's tease of the Blazer SS performance EV. John's been compiling lists of the most efficient EVs, plug-in hybrids and plug-free vehicles of 2022. Finally, they take to the mailbag to help a listener pick a suitable replacement for a 2010 Mazdaspeed3. Send us your questions for the Mailbag and Spend My Money at: Podcast@Autoblog.com. Autoblog Podcast #720 Get The Podcast Apple Podcasts – Subscribe to the Autoblog Podcast in iTunes Spotify – Subscribe to the Autoblog Podcast on Spotify RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown Cars we're driving Winter driving in our long-term Hyundai Palisade 2022 Hyundai Kona Electric 2022 Jaguar F-Pace SVR 2025 VW ID. Buzz revealed 2024 Blazer SS will be Chevy's first electric performance model The most efficient cars of 2022 Spend My Money Feedback Email – Podcast@Autoblog.com Review the show on Apple Podcasts Autoblog is now live on your smart speakers and voice assistants with the audio Autoblog Daily Digest. Say “Hey Google, play the news from Autoblog” or "Alexa, open Autoblog" to get your favorite car website in audio form every day. A narrator will take you through the biggest stories or break down one of our comprehensive test drives. Related video: