Units per Avançar

Units per Avançar is not directly mentioned in the provided news articles. The articles discuss unrelated topics: graffiti vandalism on Rodalies trains in Catalonia, leading to significant fines, and the resignation of Xavier Güell, the Director-General of Concerted and Private Centers of the Generalitat. Therefore, it's impossible to provide information about Units per Avançar based on the given content. The articles highlight issues within Catalonia, such as infrastructure damage and government personnel changes, but do not offer any insight into the activities, relevance, or current news surrounding Units per Avançar.