If 20 years ago somebody had suggested that a driver could rent a natural gas fuelled car via a mobile phone, pick it up at a dealership and pay by the hour, they probably would have dismissed it as pure science fiction. This kind of mobility solution is no longer just a fantasy; instead, with the help of platforms such as Respiro, they are gaining in importance in big cities. Shared, connected, sustainable vehicles that can be rented at a dealership.