Sales of 'new' 2015 TDIs keep VW ahead; Audi rises

Sales of 'new' 2015 TDIs keep VW ahead; Audi rises http://ift.tt/2qAxYh6 and Audi bucked a bad industry sales month in April, finishing up for the month -- though VW got some help from repaired turbodiesel engines to stay in positive territory.