Sailing Speed Optimization Model for Slow Steaming Considering Loss Aversion Mechanism

Table 1

Implementation plan for SO_x emissions control in China SECAs.

Ports in SECA		In force		Sulphur limit		Application
Key ports in Yangtze River delta		2016.4.1		<0.5% m/m		All ships—change over to low sulphur fuel after the berthing before the departure.
Key ports in Pearl River delta		2016.10.1		<0.5% m/m		All ships—change over to low sulphur fuel after the berthing before the departure.
Key ports in Circum-Bohai sea area		2017.1.1		<0.5% m/m		All ships—change over to low sulphur fuel after the berthing before the departure.
All ports in above 3 SECAs		2018.1.1		<0.5% m/m		All ships—change over to low sulphur fuel prior to the berthing.
All ports in above 3 SECAs		2019.1.1		<0.5% m/m		All ships—change over to low sulphur fuel prior to entering any SECA.