Hydrogen is touted as an inevitable green fuel of the future. Tell that to the people who will have to ship it across the globe at hypercold temperatures close to those in outer space.
Yet that is exactly what designers are attempting to do.
In the biggest technological challenge for merchant shipping in decades, companies are beginning to develop a new generation of vessels that can deliver hydrogen to heavy industry, betting plants worldwide will convert to the fuel and propel the transition to a lower-carbon economy.