Electric car sharing is highlighted as a needed solution for reducing airpollution and the emission of fossil fuels. Unfortunately, its dissemin-ation in many places is too slow and the market is still not profitable.This calls for research about whether electric car sharing corresponds tousers’conditions and concerns. This article applies the domesticationtheory examining insights gained from in-depth interviews with partici-pants joining a car-sharing trial in a low-income, suburban area withrental apartments. The aim is to understand the initial adoption of elec-tric car sharing, focusing on the challenges facing users. The findingsreveal three interrelated processes and various challenges to be consid-ered: making the technology understandable and useful, integrating carsharing in everyday practices, and negotiations and communicationsabout the proper way to share a car. Besides the environmental advan-tages of sharing, the social benefits and how it might enrich everydaylife should be stressed.