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飯野海運 Research Memo(4):環境負荷軽減や競争力強化に向けた環境配慮型船舶を積極投入

Inafune Marine Shipping Research Memo (4): Actively introducing environmentally-friendly ships for reducing environmental impact and enhancing competitiveness.

Fisco Japan ·  Jun 13 13:44

Overview of Ino Marine Shipping <9119>.

3. Latest and next-generation fuel ships with environmental considerations.

From January 2020, the regulation of sulfur content in ship fuel (SOx regulation) was reinforced by the International Maritime Organization (IMO). This is an international regulation that strengthens the concentration of sulfur contained in ship fuel from the conventional 'below 3.5%' to 'below 0.5%.' As countermeasures, there is the use of low-sulfur fuel oil (compliant fuel oil) or the installation of SOx scrubbers (desulfurization equipment that removes SOx from the exhaust gas of ships).

As a negative impact of this regulation reinforcement, there are factors such as an increase in ship supplies and repair costs for changing to compliant fuel oil specifications and cost increases due to differences in prices between conventional marine fuel oil and compliant fuel oil. As positive impacts, there are improvements in supply and demand balance due to the occurrence of transportation demand for compliant fuel oil and the elimination of ships that cannot cope with the regulation reinforcement, leading to a rise in product tankers and chemical tankers. In response, the company negotiates for environmental regulation compliance costs such as compliant fuel oil usage with shippers to reflect these costs in contracts such as COA (quantity transport contracts). The company also actively introduces the latest and next-generation environmental fuel ships as an environmental load reduction and competitive strengthening initiative in the marine transportation industry.

As part of the company's response, it negotiates with shippers to reflect environmental regulation compliance costs, including the use of compliant fuel oil, in contracts such as COA (quantity transport contracts). Furthermore, in addition to using compliant fuel oil, the company is actively introducing the latest and next-generation environmentally friendly fuel ships to reduce environmental loads and strengthen competitiveness in the marine transportation industry.

In December 2019, the company completed its first dual-fuel engine methanol ship (which can use methanol fuel, which is expected to significantly reduce sulfur oxides SOx and nitrogen oxides NOx compared to conventional heavy fuel oil, as well as compliant fuel oil). In March 2020, the company's first SOx scrubber-equipped ship (VLCC) was completed. In subsequent new shipbuilding, the company is promoting the shift to state-of-the-art ships equipped with SOx scrubbers, ballast water treatment systems for the protection of marine ecosystems, stern fins, and rudder fins, etc. The company has also decided to equip wind-assisted propulsion device Rotors Sail, the world's first wind-assisted propulsion device for coal carriers, to its coal-only ship "YODOHIME" (completed in February 2016) in July 2023 (planned to be equipped around September 2024).

In February 2022, the company completed its first LPG dual-fuel engine VLGC "CALLUNA GAS" for Equinor ASA. By carrying LPG tanks on the upper deck and loading fuel LPG separately from cargo, it is possible to use LPG as a fuel, in addition to compliant fuel oil. In addition to compliance with SOx regulations, it is also ahead of phase 3 of the EEDI (Energy Efficiency Design Index) regulations for new shipbuilding contracts after 2022. Furthermore, the environmental load is reduced because this ship is equipped with a system that suppresses NOx emissions from the main engine and generator engines.

In February 2024, the company completed a new ammonia carrier for Mitsui & Co. The ship is the world's first ammonia carrier designed and built to receive basic certification for ammonia fuel ships from the American Bureau of Shipping. It is an environmental load reduction ship that can switch to zero-emission fuel ammonia as well as accommodate LPG fuel. It is named "GAS INNOVATOR" with the desire to "continue innovative challenges ahead of the times and work devotedly to realize a sustainable society." In March 2024, the evaluation based on the Zero-Emission Accelerating Ship Finance, jointly operated by the Japan Policy and Investment Bank and the Japan Shipowners' Association, was carried out, and the Japan Policy and Investment Bank provided financing to the company.

In January 2023, the CII regulation (Carbon Intensity Indicator regulation, rating of fuel efficiency) will be implemented, which evaluates and ranks annual fuel efficiency results on a five-stage scale from A to E, requiring ships that fall below a certain rating to submit improvement plans and obtain certification from the competent authority, with the aim of promoting continuous energy-saving operation. The company is accelerating its environmental response by focusing on the newly established Technology Department and Sustainability Promotion Department in 2022, as well as completing next-generation fuel ships and collaborating with overseas startups.

Starting in January 2024, the EU Emissions Trading System (EU-ETS) will be applied to the shipping sector. This system is part of the Fit for 55 climate change policy package, which aims for at least a 55% reduction in GHG emissions compared to 1990 levels by 2030. Although the shipping industry was exempt from the system, it became subject to it after final adoption by the European Parliament and the EU Council in April 2023. EU-ETS allocates emission limits to businesses and facilities and adopts a cap-and-trade system for buying and selling excess and deficient emission quotas (the right to emit GHGs). Shipping greenhouse gas allowances will become chargeable, and the need to purchase emission quotas in markets, among other things, will arise depending on the amount of emissions generated.

In June 2024, a long-term, regular ship contract was signed with Borealis AG for the LPG dual fuel main engine-equipped Ice Class (ice-resistant ship). This ship is the largest VLGC type, and can not only reduce the fuel consumption per ton of transported cargo but also reduce the emissions of carbon dioxide (CO2), particulate matter (PM), sulfur oxide (SOx), and nitrogen oxide (NOx) compared to conventional heavy oil, with LPG as the fuel. It aims to further reduce environmental impact by incorporating a shaft generator motor and considering the introduction of an onshore power supply system, among other things.

(Authored by FISCO guest analyst Masanobu Mizuta)

The translation is provided by third-party software.


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