Guardian: Volkswagens chief executive was told about the companys illegal emissions crisis more than a year before it admitted it was systematically cheating on US regulators tests. The German company admitted on Wednesday that its former CEO Martin Winterkorn was, in May 2014, sent a memo detailing how some VW cars were producing up to 35 times more nitrogen oxide emissions than allowed. In the memo Winterkorn was told about an independent study that found VW cars were producing very high emissions in...