Last year, AP Moller-Maersk took delivery of the world’s first methanol-fuelled container ship, with the presence of European Commission president Ursula von der Leyen at the christening showing the high profile of its move to greener shipping.

The Danish container shipping giant’s more recent steps to book a swathe of vessels that are instead fuelled by LNG are likely to garner considerably less fanfare and could inspire the chagrin of environmental groups.