What fuel will ocean-going ships be burning 16 years down the road?

By George Backwell at March 14, 2014 22:23
Filed Under: Fuels & Lubes
Heavy fuel oil will remain the main fuel for deep sea shipping in year 2030 indicates new research from Lloyd’s Register and University College London’s Energy Institute. In a complex study involving many inter-related factors,  ‘Global Marine Fuel Trends 2030’ (GMFT 2030) limits itself to the container ship, bulk carrier/general cargo and tanker (crude & chemical/products) sectors which represent about 70% of the shipping industry’s fuel demand. VLCC: File photo Marine fuels considered: Ranged from liquid fuels used today (HFO, MDO/MGO) to their bio-alternatives (bio-diesel, straight vegetable oil) and from LNG and biogas to methanol and hydrogen (derived both from methane or wood biomass) were included in the study.Engine technologiesIncluded were 2 or 4-stroke diesels, diesel-electric, gas engines and fuel cell technology. Since the uptake of certain fuels is influenced by them, a wide range of energy efficiency technologies and abatement solu... [More]

Marine Diesel Engines – Exhaust Gas Emissions – Paying a Price

By George Backwell at November 16, 2010 12:50
Filed Under: General
Marine Diesel engines have a remarkable ability to work with a variety of fuels, ranging from Heavy Fuel Oil (HFO) to Liquid Natural Gas (LNG) as well as a range of distillates of refined crude oil in between. Not surprisingly the ship-owner's fuel of choice for large two-stroke Diesel engines over the years has been HFO, the low-price by-product of oil refinery output. Onboard fuel oil treatment being taken care of by purifiers/calorifiers prior to fuel injection, and more recently by advanced computer driven fuel cleaning systems.Unfortunately HFO is high in nitrogen, sulfur and ash, greatly increasing the NOx and SOx content in marine Diesel engine exhaust gas emissions, a fact which has led pollution control agencies worldwide – IMO, EU and other, localised, Emission Control Areas (ECA) –  to set progressively exacting limits in revised MARPOL VI.A bleak future for ship-owners who were not already planning for year 2015 (when sulfur limits in the ECA's will be rest... [More]

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