This paper investigates the potential for business model innovations in the field of car sharing to bring abouta sustainable reorientation of the road transport system. On the basis of interviews with different types ofcar sharing organisations in four Nordic countries (Sweden, Finland, Denmark and Norway), we identifydifferent types of car sharing business models. We also examine the ways in which organisations are currentlyinnovating these business models, focusing on the role of digital technologies, environment-friendly vehicledrivetrains, and linkages to new innovative concepts such as Mobility as a Service. We then extrapolate threetransition pathways, entitled technological substitution, shared mobility and integrated mobility, discussingtheir potential and governance implications