Volkswagen's Piech asked Porsche CEO to be ready to take VW helm: Spiegel
April 24, 2015 at 08:18 AM EDT
BERLIN (Reuters) - Volkswagen Chairman Ferdinand Piech asked Porsche Chief Executive Matthias Mueller at the start of this week to be prepared to take the helm at VW, Spiegel Online reported on Friday without citing the source of the information.