Report says VW was only one to use defeat devices

German daily Handelsblatt is reporting today that the German Federal Motor Transport Authority (KBA) has completed its tests on diesel vehicles and concluded that only Volkswagen Group has used so-called defeat devices using software to cheat on nitrogen-oxide levels emissions tests.

The newspaper reports that sources told them that there were other cars that showed irregularities during on-road testing of emissions levels, but they were all within the legal limits. It also says that the full report will be published later this month. would be released in late April.