Entwicklung des Stromanteils aus erneuerbaren Energiequellen bei der Deutschen Bahn seit 2014 und bis 2034

This question asks about the development of renewable energy sources in German rail transport since 2014 and projections up to 2034. It seeks to understand the current and future use of green energy in the railway sector. This information is relevant to understanding the progress and future plans for decarbonizing the transport sector, specifically rail, and its impact on environmental goals.