1. Fu K.Y., Zhou M.R., Hu Y.H., Marine diesel engine. Shanghai: Shanghai Pujiang Education Press, shanghai, China, 2013. (in Chinese)
2. Review of Maritime Transport 2019. (in Chinese) https://unctad.org/en/pages/PublicationWebflyer.aspx?publicationid=2563 (accessed on Nov 10, 2019).
3. Mullins P., Li J.X., Low-speed machines have bright prospects. Diesel Engine, 2002, 33: 49–59. (in Chinese)
4. Leng X.Y., Long W.Q., Off-board purification technology for NOx emissions from marine diesel engines. Diesel Engine, 2009, 3: 19–23. (in Chinese)
5. MAN Diesel & Turbo. Tier III two-stroke technology. Copenhagen, 2012. https://marine.mandieselturbo.com/docs/librariesprovider6/technical-papers/tier-iii-two-stroke-technology.pdf?sfvrsn=18 (accessed on May 15, 2019).