The sixth edition of the Moblab Congress was held on June 27, at CEiiA, in Matosinhos, an initiative of Abilways Portugal and Revista Sustentável that debated throughout the day the present and future paths of smart and sustainable mobility. (... ) In a second block of discussion, Catarina Selina, Director of City Lab at CEiiA, gave a speech on "Paths to decarbonization and Smart Cities". ) In a second block of discussion, Catarina Selada, Director of CEiiA's City Lab, made an intervention on "Paths to decarbonization and Smart Cities", followed, after a break, by a round table, moderated by Irene Moreira, Head of Content Mobility, from Abilways Portugal. and attended by Ana Tomaz, Vice President of ANSR, Rui Velasco, Director of the IMT's Study, Evaluation and Prospective Services Directorate, and Nuno Alpalhão, Data Scientist at NOVA Cidade - Urban Analytics Lab and Invited Assistant Professor, NOVA IMS, and Miguel Gaspar, Business Development & Innovation, SIBS.