Volkswagen CEO apologizes to US public at Detroit Auto Show01/11/2016January 11, 2016Volkswagen has used the Detroit auto show to apologize to the US public for cheating on diesel car emissions tests.https://p.dw.com/p/1HbRlImage: Getty Images/B. PuglianoAdvertisement In his first official US visit since the scandal broke, Matthias Mueller insisted the German auto giant is "fully committed to making things right."