Audi admitted in November 2015 that its vehicles also contained the illegal "defeat devices" that allowed parent company Volkswagen to circumvent emissions regulations and sell vehicles that were worse for the environment than promised.
Prosecutors in the Bavarian state said the arrest was justified because of the "risk of concealment of evidence". Stadler, 55, has been placed on leave after Munich prosecutors took him into custody in the early hours at his home in Ingolstadt, Germany, they said. German authorities cited concerns that Stadler could obstruct their ongoing investigation into the diesel emissions cheating scandal.
As part of the investigation, Stadler's home has been raided, while authorities are now investigating 19 other suspects, the identities of whom have not been disclosed.
China trade tensions escalate as Trump approves $50bn of tariffs
The administration is asking for input on an additional $16 billion in products that it wants to slap tariffs on also. Among the affected $16 billion in USA goods include crude oil , natural gas, coal and some refined oil products.
Volkswagen's share price fell 2.2 percent in Europe on Monday, more than the 1.4 percent drop in the Deutsche Börse index in Germany.
In context: VW and Audi management have been very protective of their executives thus far.
German automobile company Audi's CEO Rupert Stadler has been arrested on suspicion of fraud. Last week, German prosecutors fined VW 1 billion euros ($1.2 billion) over the scandal.
House GOP Immigration Bill Would Modify - But Not End - Child Detentions
He says leaders are seeking "clarity" from the White House. "The Democrats forced that law upon our nation". However, there is no law mandating the separation of families.
A Volkswagen spokesman said the carmaker had not yet made a formal decision about a new chief executive for Audi. In 2015, it was discovered that when certain Volkswagen models undergo testing, a sophisticated software algorithm would kick in and full emissions controls would be turned on. Another high profile figure under scrutiny in the diesel scandal is former Volkswagen CEO Martin Winterkorn, who was indicted in May on charges of conspiracy and fraud related to the emissions cheating.
99.6 percent of Iceland TV viewers watched opener against Argentina
For that to happen we have to substantially change everything about the way we played the first game. Even though the Iceland players average 1.90m in height, we played all our corners into the air.