Container shortages the biggest disrupter: where are all the empty boxes?

Some container vessels have been sailing from Asia to Europe under-utilised in recent weeks due to an acute shortage of empty boxes.
A carrier source told The Loadstar: “We have had to sail light a few times recently as there are just not enough boxes at depots [in China] to meet the demand.”
All carriers report severe shortages of the popular 40ft high-cubes (HCs) at their depots, and there has also been a run …