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Reducing
Sulphur Emissions from Heavy Fuel Oil Use
— A Quantitative Assessment of Economic Instruments:
Executive Summary
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2.0 What is heavy fuel oil?
HFO is a low-grade fuel primarily used in industrial
boilers and other direct source heating applications (i.e., blast
furnaces). It is also used as a principal fuel in marine applications
in large diesel engines. Given its high boiling point and tar-like
consistency, HFO typically requires heating before it can be moved
through pipes or dispensed into a boiler or other heating vessel
to be burned.
HFO is the least expensive of the refined oil fuels
and can only be used by facilities that have preheating capabilities.
HFO is typically high in sulphur and other impurities that are released
into the air when the fuel is burned.
Next: 3.0 Who
uses heavy fuel oil? 
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