Hydrogen is touted as an inevitable green fuel of the future. Tell that to the people who'll have to ship it across the globe at hyper-cold 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.There are at least three projects developing pilot ships that will be ready to test transporting the fuel in Europe and Asia within the next three years, the companies involved told Reuters.
The major challenge is to keep the hydrogen chilled at minus 253 degrees Celsius—only 20 degrees above absolute zero, the coldest possible temperature—so it stays in liquid form, while avoiding the risk that parts of a vessel could crack.
That's almost 100 degrees Celsius colder than temperatures needed to transport liquefied natural gas (LNG), which required its own shipping revolution about 60 years ago - link - more like this - link
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