Frankfurt — Volkswagen’s (VW) supervisory board called for an immediate inquiry into who commissioned tests in which monkeys were exposed to toxic diesel fumes, while the German government said such studies were unjustifiable. "I will do everything possible to ensure this matter is investigated in detail," VW supervisory board chairperson Hans Dieter Pötsch said in a statement on Monday. "Whoever is responsible for this must, of course, be held accountable," Pötsch said in response to a New York Times report on Friday that German car makers had used an organisation called European Research Group on Environment and Health in the Transport Sector (EUGT) to commission the tests. The study, conducted in 2014, was designed to defend diesel following revelations that the fuel’s exhaust fumes were carcinogenic, the newspaper reported. Reuters could not immediately confirm the details and purpose of the study and EUGT, which was dissolved last year, could not be reached for comment. EUGT re...

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