International train travel is at least 4.5 times more environmentally friendly than flying. So why is it still so complicated to book routes? And is new legislation from Brussels providing a long-awaited answer?
The open data Bahnvorhersage.de service predicts whether connections on German railway lines will be made.
The trucking sector is relatively low-hanging fruit when it comes to reducing carbon emissions. Here's how AI and other technologies are seeking to revolutionise it.