IMO: USA ratifies international rules on air pollution from ships

News -
09 Oct 2008 - 18 Jan 2016
The United States of America has become the 53rd state to ratify Annex VI of the International Convention for the Prevention of Pollution from Ships (MARPOL), with the deposition today of an instrument of ratification with the International Maritime Organization (IMO). Annex VI, which was adopted in 1997 and entered into force in May 2005, regulates the discharge of atmospheric pollutants from ships. Among other things, it set, for the first time, limits on sulphur oxide (SOx) and nitrogen oxide (NOx) emissions from ships' exhausts; prohibited deliberate emissions of ozone-depleting substances and put a global cap on the sulphur content of fuel oil.

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