Germany’s state rail company Deutsche Bahn plans to operate its last diesel-hauled, express services without CO2 emissions using fuel produced in a climate neutral manner. Deutsche Bahn (DB) currently only runs a few diesel express services since most of the network is electrified, but they still operate in central and southern Germany, and on long-distance trips to the northern German holiday island of Sylt. At a time of increasingly extreme weather across Europe caused by climate change, more and more travellers have grown conscious of the need to avoid short-haul flights with carbon-free ra…