This document discusses challenges and potential solutions for more sustainable rural and suburban mobility. It highlights that while air pollution is a serious issue, many do not see it as a problem and view personal vehicles as providing freedom and autonomy. To make mobility more sustainable, the document suggests promoting more fuel-efficient vehicles, electric vehicles, ridesharing, and multimodal transportation alternatives. It also examines BlaBlaCar as a case study for supplementing railway networks but notes its limitations for daily mobility. The document advocates testing dozens of new business models through an open innovation platform to disrupt mobility and explore innovative solutions.