Abstract
The objective of the present study is to analyse the retrofitting measure needed for an ageing multi-purpose ship exposed to a short sea LNG operation in the Black Sea region. Different technical aspects of the retrofitting related to using LNG as fuel for short-sea shipping, including the required volume of the liquefied natural gas, the appropriate type of tanks and the location of tanks on the ship, changes in the main engine and needed additional equipment, are discussed. The cost-benefit feasibility analysis is performed considering the historical and current price of LNG fuel and different taxes related to the generated CO2, examining the Varna-Poti-Varna and Varna-Istanbul-Varna routes.
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