Japan’s Hitachi Zosen is working with MAN Energy Solutions to offer clients methanol engine conversions plans amid rising inquiries for green retrofit solutions.
Test operations will begin in 2024 at a Hitachi Zosen plant in Kumamoto prefecture, on Japan’s southernmost main island of Kyushu.
MAN estimates that 2,800 vessels with MAN two- and four stroke engines are eligible for conversion today and could save more than 97m tons of carbon dioxide (CO2) emissions annually when run on green fuels.
Contacted by Splash earlier this year, Dr Tristan Smith, associate professor in energy and shipping at UCL Energy Institute, argued the potential for engine retrofits among today’s global merchant fleet was “thousands of ships per year”.
Smith and his team have a paper at the International Maritime Organization on the matter discussing the costs involved compared to using more expensive drop-in fuels or scrapping.
The cost of retrofitting, including the fuel storage and fuel supply system, ranges between $5m and $15m depending on the type of fuel and, as a rule of thumb, this should not exceed 25% of the newbuild cost of a ship to be economically viable, according to advice from DNV.
Tags: CO2, Emission, Hitachi Zosen Corporation, MAN energy Solutions
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