Various fuel additives have been developed for the pretreatment of coal. The aim of the additives is to improve the combustion performance of coal and reduce the emissions of pollutants. The status of four additives is reviewed: Sootaway, CETALYST™ A, Addicoal and Silanite™. Three developers, Johnsen Chemicals AS Norway, Combustion and Emissions Technologies, LLC, in the USA, and MEA CAPITAL Ltd’s subdivision COALTECH appear to remain active in the area. The main market is likely to be smaller, inefficient boilers and furnaces.