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Marine Fuel Oil Advisory


Year: 2018
Language: english
Author: ABS
Genre: Guide
Format: PDF
Quality: eBook
Pages count: 44
Description: Ship-sourced emissions have received increased scrutiny from the International Maritime Organization (IMO),
government environmental agencies, public health advocates and non-governmental environmental groups.
The goal of these entities is to reduce ship emissions to improve air quality. Initial regulations have been geared
toward reducing SOx and NOx emissions in areas where shipping crosses paths with people, such as coastal and
port areas. The IMO’s upcoming 2020 Global Sulfur Cap will expand emissions requirements further, tightening
limits on SOx emissions in waters outside of coastal zones.
To comply with the various regulations, vessels will need to adopt different approaches to control emissions. SOx
emissions are based on the level of sulfur content in the fuel used and can be controlled using low sulfur fuel oil
or alternate technology such as an exhaust gas cleaning system. An additional benefit of reducing SOx emissions
is a decrease in the levels of particulate matter (PM), a pollutant regulated by the U.S. Environmental Protection
Agency (EPA). To control NOx emissions new ships, based on their construction date, are required to use Tier II
compliant engines outside Emission Control Areas (ECAs) and Tier III compliant engines within ECAs. Where
these emission limits cannot be met by the engine itself, using either exhaust gas recirculation (EGR) or selective
catalytic reduction (SCR) technologies may be explored.
As the 2020 Global Sulfur Cap deadline for compliance approaches, it is vital that industry understands the
available fuel options and the impacts on their fleets. This Advisory provides in-depth technical guidance
covering a range of topics, from engine considerations to fuel properties to operational risks. Using this Advisory
to understand the implications of different marine fuels, owners and operators can make smarter decisions on the
future of their fleets.

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