BERLIN, March 27 (Reuters) - Volkswagen's software partnership with Rivian, a cornerstone of CEO Oliver Blume's turnaround strategy for the German auto group, has passed a key milestone, bringing the U.S. partner closer to its next tranche of funding.
Winter tests of the first vehicles using the software have been successfully completed, Volkswagen said on Friday.
(Reporting by Rachel More and Christina AmannEditing by Ludwig Burger)
