Abstract
As stricter environmental regulations for sulphur oxide (SOx) emissions emerge, the shipping industry has been deliberating new fuelling options. The three main alternatives for reducing sulphur emissions are switching to higher-quality and low sulphur fuels (commonly referred to as distillates), installing exhaust fuel cleaning structures (frequently referred to as scrubbers), retrofitting present vessels to operate as liquefied natural gas (LNG) powered vessels. Nevertheless, few studies evaluate the three existing alternatives that can reduce marine air exhausts, and fewer develop a general model for a resolution to the choice of the best technology. This study performs an empirical analysis focusing on the three alternatives considered by Korean shipping companies. The main approach involved conducting surveys and interviews to examine Korean shipping companies’ actual response to cope with SOx regulation. The results indicate that, among the nine sub-criteria regarding response to SOx regulation, investment costs (F11) are the most significant factor. In addition, through a description analysis of Korean shipping companies, this study found that there is a difference in the recognition and response direction among companies according to their size.
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