Do you write this based on the article (where?), or on information from some different sources (private?)? I couldn't find such information in the article, whil

Do you write this based on the article (where?), or on information from some different sources (private?)? I couldn't find such information in the article, while it mentions that e.g. "In August 2013, Mercedes-Benz [...] drove [103 km] between the German towns of Mannheim and Pforzheim without any driver input", which seems to have happened indeed (https://www.mercedes-benz.com/en/mercedes-benz/innovation/autonomous-long-distance-drive/ https://www.mercedes-benz.com/en/mercedes-benz/innovation/au...)