Trojan Marinex recognized for environmental stewardship JUNE 20, 2016—Invasive species carried in ships’ ballast water are an ongoing threat to local, regional and national economies and ecologies. With more than 90% of the world’s trade being transported by ships, there are an estimated 10 billion tonnes of ballast water being transferred annually. That’s potentially a lot…

MAN Diesel & Turbo books another ME-GI order

Graphical rendering of the six-cylinder version of MAN Diesel & Turbo's S70ME-GI dual-fuel low-speed engine. Graphical rendering of the six-cylinder version of MAN Diesel & Turbo's S70ME-GI dual-fuel low-speed engine.

DECEMBER 16, 2013 — Norway's Knutsen OAS Shipping has placed an order for two sets of two MAN Diesel & Turbo 7G70ME-GI two stroke engines in connection with the building of two 176,300 cu.m capacity LNG carriers.

The engines are based on MAN Diesel & Turbo's new, ultra-long-stroke, G-type concept to deliver an even higher, overall propulsion plant efficiency.

MAN Diesel & Turbo says it has verified that, even when compared to the best, modern DFDE propulsion solution, an ME-GI engine delivers fuel savings of more than 30 tonnes of gas per day when operating at a normal ship speed of 15-17 knots.

To date, MAN Diesel & Turbo has clinched orders for 42 dual-fuel units, representing a power output of 780 MW.

The engine designer says the ME-GI engine is the culmination of many years' work. Depending on relative price and availability, as well as environmental considerations, the ME-GI engine gives shipowners and operators the option of using either HFO or gas – predominantly natural gas. An ME-LGI counterpart is also being developed that uses LPG and methanol.

Hyundai became the first MAN Diesel & Turbo two-stroke licensee to demonstrate the ME-GI concept in Korea in late-2012, with Mitsui following in April 2013. At the time, MAN Diesel & Turbo predicted a broad, potential market for its ME-GI engine. Subsequently, the company reported much interest in the engine and has since confirmed several orders from significant market players.

MAN Diesel & Turbo sees significant opportunities arising for gas-fueled tonnage as fuel prices rise and exhaust-emission limits tighten. Research indicates that the ME-GI engine delivers significant reductions in CO2, NOx and SOx emissions. The ME-GI engine has no methane slip

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