Wolfsburg (dpa) - According to Volvo and Daimler also diesel cars from Volkswagen can be retrofitted with excessive pollutant levels in Germany. The Federal Motor Transport Authority published the operating permit for systems from the technology provider Baumot. This includes retrofit systems for over 60 vehicle models of the VW Group, including Volkswagen, Audi, Skoda and Seat. The aim of retrofitting is that vehicles of the Euro 5 emission standard can be exempted from driving bans.