Hydrogen is considered an important energy carrier with the potential to reshape the energy landscape in the future. Distributing large amounts of hydrogen requires safe steel pipelines. Steel pipelines can become brittle due to hydrogen and can therefore break. Fascinated by this urgent problem, Carey Walters (MTT), Othon Moultos (P&E) and Poulumi Dey (MSE) joined forces and turned to the cohesion programme to work on this together.