dcsimg
December 4, 2016
Hot Topics:

The Software Behind the VW Scandal

  • September 22, 2015
  • By Developer.com Staff

German auto manufacturer Volkswagen is embroiled in a huge scandal after the U.S. Environmental Protection Agency (EPA) discovered that some of its diesel vehicles were performing much better in testing scenarios than in the real world. At the heart of the story is a piece of software that could detect when vehicles were being tested.

When it is evaluating vehicles, the EPA runs them on a stationary dyno so that their back wheels are still while the front wheels roll. Ordinarily, this would cause the car's stability and traction controls to kick in, so VW (and other manufacturers) developed software that would allow the car to determine that it was being tested and run without activating the safety mechanisms.

The problem with the VW testing mode is that it also alerted the car to use more catalytic fluid, which causes the car to pollute less. When the car wasn't in testing mode, it used much less of this fluid, causing vehicle emissions to skyrocket.

Why did VW deploy this software? The short answer appears to be that catalytic fluid is expensive—about $200 to $300 per refill—so the software saved VW drivers money.

View article






Comment and Contribute

 


(Maximum characters: 1200). You have characters left.

 

 


Enterprise Development Update

Don't miss an article. Subscribe to our newsletter below.

Sitemap | Contact Us

Thanks for your registration, follow us on our social networks to keep up-to-date
Rocket Fuel