https://www.reuters.com/article/us-volkswagen-tesla/tesla-ceo-met-vw-ceo-during-germany-visit-source-idUSKBN25V25P >Tesla Chief Executive Elon Musk met Volkswagen's Chief Executive Herbert Diess for a courtesy visit during which Musk took a test drive in Volkswagen's new electric car, a source familiar with the matter said on Friday.