Has the other shoe finally dropped? Following the recent European Commission accusation against BMW, Daimler and VW of breaching EU antitrust rules from 2006 to 2014 by colluding to restrict competition on the development of petrol and diesel emissions control technology for passenger cars, came news today former Volkswagen AG chief Martin Winterkorn has been charged with serious fraud alongside four other managers in Germany for their role in the diesel emissions-rigging scandal that so far has cost the automaker about EUR29bn (US$33bn).