"SPIEGEL Interview with Volkswagen CEO Martin Winterkorn: 'People Act as though the Hybrid Could Solve all our Problems'". Interview with Dietmar Hawranek, Stefan Aust and Armin Mahler, www.spiegel.de. March 6, 2007.
"'Poverty Is a Greater Concern for Most than a Democratic Constitution'". Interview with Martin Doerry, Hans Hoyng and Susanne Koelbl, www.spiegel.de. August 29, 2005.