European commissioner warns against cities’ diesel bans, fears market collapse

2014 Audi A6 2.0 TDI UltraThe warning came even before last week's plans for updates to 9 million European diesel cars by German luxury makers Audi and Mercedes-Benz were announced. In a letter sent to the transport ministers of European Union countries, EU industry commissioner Elzbieta Bienkowska warned that proposed bans on diesel cars in European cities could backfire...