While Germany has added more suspects to its list, France has launched a probe of its own
The government is using a financial law to issue the subpoena, which will allow it to investigate fraud over the last 10 years
Volkswagen last year set aside 6.7 billion euros to cover costs of recalling of about 11 million diesel vehicles globally
A memo was sent to former Volkswagen CEO Martin Winterkorn in May 2014 about problems with US diesel emissions tests
Group sales figures for February are expected to be released in the second week of March
VW faces potentially huge damages as a result of the cheat-software scandal
The plaintiffs are asking that Volkswagen be ordered to buy back vehicles that don't meet emissions standards
Volkswagen car buy-back would speed emissions-scandal exit
Investigators confiscated computer hard drives and documents after searching the headquarters, other offices in South Korea