A longtime Volkswagen engineer has pleaded guilty to conspiracy charges as part of a deal with prosecutors. Here, the Turbocharged Direct Injection (TDI) engine of a Volkswagen vehicle is seen. Bloomberg/Getty Images hide caption

toggle caption Bloomberg/Getty Images

A Volkswagen Touareg diesel is seen being tested at a federal facility in Michigan last year. Volkswagen has reached a tentative deal with its U.S. dealers to compensate them for plummeting sales as a result of the company's emissions cheating scandal. Carlos Osorio/AP hide caption

toggle caption Carlos Osorio/AP

Volkswagen used six different "defeat devices" to purposefully skirt U.S. emissions rules, new lawsuits say. Here, VW cars are seen in a delivery tower in Wolfsburg, Germany, earlier this year. Markus Schreiber/AP hide caption

toggle caption Markus Schreiber/AP

The logo of German automaker Volkswagen AG can be seen on an administrative building at the Volkswagen factory on the day of the company's annual press conference on April 28 in Wolfsburg, Germany. Sean Gallup/Getty Images hide caption

toggle caption Sean Gallup/Getty Images

Former FBI Director Robert Mueller, right, arrives for a court hearing in San Francisco Thursday. Mueller has been overseeing talks about a settlement between Volkswagen, the U.S. government, and the car company's customers. Jeff Chiu/AP hide caption

toggle caption Jeff Chiu/AP

Volkswagen CEO Matthias Mueller speaks to the media Sunday in Detroit, apologizing for the scandal that has plunged the German auto giant into crisis. Paul Sancya/AP hide caption

toggle caption Paul Sancya/AP

'We Didn't Lie,' Volkswagen CEO Says Of Emissions Scandal

  • Download
  • <iframe src="https://www.npr.org/player/embed/462682378/462716714" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

John Swanton of the California Air Resources Board, explaining how a 2013 Volkswagen with a diesel engine is evaluated at an emissions test lab. The U.S. has filed a civil complaint against Volkswagen over emissions cheating in its diesel cars. Nick Ut/AP hide caption

toggle caption Nick Ut/AP

The Volkswagen logo is seen at the main entrance gate of the Volkswagen group on Friday in Wolfsburg, Germany. That day, CEO Matthias Mueller announced the company would be cutting expenditures by more than $1 billion. Alexander Koerner/Getty Images hide caption

toggle caption Alexander Koerner/Getty Images

The Environmental Protection Agency said Monday that additional diesel Volkswagens were equipped with "defeat devices," making them run more cleanly during testing. Markus Schreiber/AP hide caption

toggle caption Markus Schreiber/AP

A car departs from Volkswagen's factory and company headquarters in Wolfsburg, Germany. The company says the fallout from its diesel emissions scandal is still becoming clear, as it reports a large quarterly loss. Sean Gallup/Getty Images hide caption

toggle caption Sean Gallup/Getty Images

Kim Johnson of Ridgefield, Conn., says her 2014 Jetta lost more than $1,000 in value because, once fixed, it will no longer get the advertised mileage. Charles Lane/WSHU hide caption

toggle caption Charles Lane/WSHU

Emissions Scandal Is Hurting VW Owners Trying To Resell

  • Download
  • <iframe src="https://www.npr.org/player/embed/450238773/451858238" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Volkswagen has recalled 8.5 million diesel cars in Europe. The company is ordered to fix software that makes the cars appear to run more cleanly than they actually do. Brennan Linsley/AP hide caption

toggle caption Brennan Linsley/AP