“…According to literature review of green shipping research, the percentage of existing papers about green shipping practice and green policy accounts for 63.8%. The collected papers cover green shipping practice involving uses of environment-friendly design of shipbuilding such as double skin, non-toxic paint, electric deck machines, ballast water handling systems, and waste-heat-recovery systems (e.g., Gradoset al, 2009, Yang et al, 2012; uses of clean-burning, low-sulphur fuels (e.g., Yiğit et al, 2016); adaptation of optimal vessel speed and routing systems (e.g., Wang 2014, Wang et al, 2016); and emissions trading and carbon levy schemes (e.g., Sterner, Dahl andFranzen1992, Wang, Fu andLuo 2015). The collected papers cover green policy involving partial contents of green shipping practice and laws or standards of port and maritime environment management (e.g., Hickman and Banister 2007, Lindstad and Eskeland 2016, Barnes-Dabban, Van Koppen and Mol 2017.…”