If sea-going vessels were better informed about the availability of berths and adapted their speed accordingly, substantial savings could be made in terms of fuel and CO2 emissions, according to a study commissioned by the Port of Rotterdam Authority and research institute TNO.
If sea-going vessels are regularly kept informed –particularly during the last twelve hours before arrival– about exactly when their berth will become available, they will be able to adapt their sailing speed accordingly.
T...
https://safety4sea.com/study-just-in-time-concept-saves-thousands-of-co2-tonnes/