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Volkswagen Apologizes for Testing of Diesel Fumes on Monkeys

  • Daimler to investigate ‘unnecessary, repulsive’ animal trial
  • Carmaker-led research body exposed monkeys to diesel exhaust

Photographer: Josh Edelson/AFP via Getty Images 

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The controversy over Volkswagen AG’s diesel-emissions cheating took another twist when the carmaker apologized for a test that exposed monkeys to engine fumes to study effects of the exhaust.

The company said the study, conducted by a research and lobby group set up by VW, Daimler AG, BMW AG and Robert Bosch GmbH, was a mistake. The New York Times reported earlier about a 2014 trial in a U.S. laboratory in which 10 monkeys inhaled diesel emissions from a VW Beetle.