The present course aims to provide a holistic understanding of current advancements, in order to identify useful information for the advancement of the GRETA project. 

The technologies examined in this course have been classified under the following categories: 

• Policy and planning solutions; 
• Infrastructural and organizational solutions; 
• Information and Communications Technology (ICT) driven solutions; 
• Vehicle-based solutions. 

The key source, from which the present course is excerpted in the study developed within the GRETA D.1.3.4, to which the reader is invited to refer for further deepening.