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Business Briefs: Audi used software to cheat on diesel tests

A line of Audi A4 cars are parked before a demonstration of Audi's vehicle-to-infrastructure technology Tuesday, Dec. 6, 2016, in Las Vegas. The technology allows vehicles to "read" red lights ahead and tell the driver how long it'll be before the signal turns green. For the driver, the system puts a traffic signal icon on the dashboard telling how many seconds the light will remain red. (AP Photo/John Locher)
A line of Audi A4 cars are parked before a demonstration of Audi's vehicle-to-infrastructure technology Tuesday, Dec. 6, 2016, in Las Vegas. The technology allows vehicles to "read" red lights ahead and tell the driver how long it'll be before the signal turns green. For the driver, the system puts a traffic signal icon on the dashboard telling how many seconds the light will remain red. (AP Photo/John Locher) A line of Audi A4 cars are parked before a demonstration of Audi's vehicle-to-infrastructure technology Tuesday, Dec. 6, 2016, in Las Vegas. The technology allows vehicles to "read" red lights ahead and tell the driver how long it'll be before the signal turns green. For the driver, the system puts a traffic signal icon on the dashboard telling how many seconds the light will remain red. (AP Photo/John Locher)

By Dave Flessner 3 min read

Audi used software to cheat on diesel tests

Germany’s transport minister says luxury automaker Audi used software to cheat on diesel emissions tests, an allegation that has already caused trouble for its parent company Volkswagen.

Alexander Dobrindt says the software used by Ingolstadt-based Audi was able to recognize when vehicles were being tested and switch on an emissions cleaning system.

Dobrindt said Thursday that 24,000 vehicles built between 2009 and 2013 would have to be recalled.

Munich prosecutors launched an investigation into Audi earlier this year, raiding the company’s offices while executives were holding their annual news conference in March.