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TWIN TANKERS PASS DUAL-FUEL METHANOL MILESTONE

Tuesday, July 30, 2019 

MAN Energy Solutions says that ‘Mari Jone’ and ‘Mari Boyle’, two of the first vessels powered by dual-fuel ME-LGI (-Liquid Gas Injection Methanol) engines operating on methanol and managed by Swedish company Marinvest, have each passed 10,000 operating hours on the alternative fuel.

The two methanol tankers are managed on time charters for Waterfront Shipping and operate globally, providing an uninterrupted flow of methanol between storage terminals and customer plants.

Bjarne Foldager, SVP and Head of Two-Stroke Business, MAN Energy Solutions, said: “The successful passing of this significant milestone is testament to the ME-LGI’s strong concept, and indeed the strength of our dual-fuel portfolio as a whole. With well over 250 sales within MAN Energy Solutions’ entire portfolio of low-speed, dual-fuel engines – all running on clean fuels such as methanol, LPG or LNG – this new achievement stands testament to our leadership within a critical market segment.”

René Sejer Laursen, Sales and Promotion Manager, MAN Energy Solutions, said: “When introducing methanol as a two-stroke marine fuel, we encountered the usual teething problems, including addressing the liner lubrication because of methanol’s potentially corrosive behaviour. However, the service experience gathered after 50,000 hours of cumulative operation has ironed all such problems out and the ME-LGI engines are now running smoothly with no maintenance issues. In fact, they are even showing an improvement in fuel efficiency.”

MAN Energy Solutions developed the ME-LGIM dual-fuel engine for operation on methanol, heavy fuel oil (HFO), marine diesel oil (MDO), or marine gas oil (MGO). The engine is based on the company’s proven ME-series, and works according to the Diesel principle as methanol is a low-flashpoint, liquid fuel. When operating on methanol, the ME-LGI uses HFO, MDO, or MGO as a pilot fuel, significantly reduces emissions of CO2, NOx and SOx, and eliminates methanol slip. Additionally, any operational switch between methanol and other fuels is seamless.

The two medium-range, methanol-burning, dual-fuel vessels are among the world’s first ocean-going vessels capable of running on methanol. With the growing demand for cleaner marine fuel to meet environmental regulations, MAN believes that methanol is an alternative marine fuel that can meet the industry’s increasingly stringent emissions regulations.

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