MAN ES’ four-stroke engine aims for 70% methane slip reduction

German engine manufacturer MAN Energy Solutions (MAN ES) has revealed that it is developing an oxidation catalyst for four-stroke engines that will reduce methane slip by 70%. Called ‘IMOKAT II’ and developed at MAN Energy Solutions’ headquarters in Augsburg, Germany, the research project is currently undergoing testing at the company’s Frederikshavn, Denmark facility. According to

Wärtsilä rolls out first four-stroke ammonia-fuelled engine

Finnish technology group Wärtsilä has introduced the marine sector’s first commercially available four-stroke engine-based solution for ammonia fuel. Viridis Bulk Carriers, the world’s first zero-emission shipping company, will be the first shipowner to benefit from the new ammonia solution. The company is a partnership between Amon Maritime, Mosvolds Rederi, and Navigare Logistics. Norwegian government enterprise

MAN Energy Solutions signs MoU with DOEN

MAN Energy Solutions and Doen WaterJets (DOEN) have agreed to join forces to offer a fully integrated propulsion system solution to the Australian Army’s LAND 8710 Littoral Manoeuvre Vessel Phase 1A (LMV-M) programme to acquire a medium landing craft suitable for a range of missions in Australia’s northern waters and beyond. This cooperation spans the

New version of the Wärtsilä 31DF engine reduces methane emissions

Technology group Wärtsilä has introduced a new ultra-low emissions version of its already efficient Wärtsilä 31DF engine. When operating on LNG, this new version can further reduce methane emissions on a 50% load point by up to 56% and nitrogen oxide (NOx) by up to 86%. On a weighted average, this new technology can reduce

ENGINE launches marine fuel trading service

Five years after launching a bunker information and news platform, ENGINE has diversified into bunker trading and launched a new worldwide marine fuel trading service. ENGINE said that the decision to expand into trading with the newly formed bunker company ENGINE X came after witnessing the difficulties clients frequently face when executing trades, in a

Resolving ship-owners’ dilemma

Ultimately, the final step in shipping’s journey towards decarbonisation will be the total use of zero-carbon fuels, either in whole or blended with conventional fuels or alternative power sources.

Indian Navy moves ahead with green initiatives

As a maiden initiative, an indigenous make and patented retrofit device developed by M/s Chakr Innovations for reducing diesel engine emissions was installed on a shore-based Diesel Generator for long-term trials.

MAN high-speed engine ready to operate on 100% biofuel

MAN Energy Solutions has announced that its MAN 175D engine is formally approved for operation on biofuels, effective immediately. This applies to all standard biofuels such as HVO (Hydrotreated Vegetable Oil) and FAME (Fatty Acid Methyl Ester) fuels up to a content of 100%. Crucially, the engine itself does not require any technical adjustments, following

MAN’s largest methanol-powered engine achieves FAT

HHI-EMD – an MAN Energy Solutions two-stroke licensee – marks milestones in Korea with successful FAT of world’s largest methanol-powered, two-stroke engine and surpassing of 200 million brake-horsepower. At a ceremony in South Korea, HHI-EMD celebrated the world’s largest methanol-powered two-stroke engine, an MAN B&W G95ME-LGIM type. Simultaneously, the engine’s manufacture pushed the company past

Wärtsilä unveils radical derating solution for two-stroke engines

The technology group Wärtsilä has introduced a new radical derating retrofit solution – Wärtsilä Fit4Power – to extend the emissions-compliant lifetime of merchant vessels by providing the existing two-stroke fleet with leaner, healthier and more optimised engines. This new advanced retrofit solution enables ship owners to reduce the bore size of two-stroke engines by 25%