VW Bears Blame for Diesel Cheating Scandal, Supplier Bosch Says

  • Internal investigation started a day after VW scandal broke
  • Denner says manufacturers are responsible for car emissions

A VW logo sits on the alloy wheel of a Volkswagen automobile, produced by Volkswagen AG.

Photographer: Jason Alden/Bloomberg
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Volkswagen AG bears the responsibility for its emissions-cheating scandal and not suppliers or diesel technology, according to the head of Robert Bosch GmbH, the world’s biggest maker of auto parts.

State-of-the-art technology means diesel-powered cars are now “air-cleaning machines,” as their emissions are less dirty than the air they take in, Bosch Chief Executive Officer Volkmar Denner said at a press briefing late Tuesday outside Stuttgart, Germany.