MARPOL Annex VI
On July 21, 2008, President Bush signed the Maritime Pollution Protection Act of 2008 (“MPPA”). President Bush's signature on the MPPA brings into statute form Annex VI to the International Convention on the Prevention of Pollution from Ships (known as MARPOL). The United States Senate gave its formal advice and consent to Annex VI in 2006. The final step of the ratification process is for the President deliver a letter, known as diplomatic instrument of ratification, to the International Maritime Organization. The United States then becomes a party three months later. MARPOL Annex VI entered into force beginning in May of 2005, although ships have met most provisions since 2000.
Under MARPOL Annex VI, container ships, tankers, cruise ships and bulk carriers must limit NOx emissions from their category three diesel engines. It also sets a cap on the sulfur content of the fuel they burn and includes a program for designating areas where more stringent fuel controls apply, such as near coastlines that have more severe air quality concerns. This October, the parties to MARPOL will work to strengthen NOx and SO2 standards and the sulfur requirements in fuel. The amendments under review are consistent with the stringent and comprehensive proposal put forward by the United States government. If adopted, these stronger international standards will yield significant environmental and public health benefits in the United States and around the world.
As foreign trade grows and the USEPA's new emissions controls take effect on other transportation sources, emissions from large ships comprise an increasing share of the nation's pollution inventory. In 2001, in terms of mobile sources, oceangoing vessels contributed nearly six (6) percent of NOx, over ten (10) percent of PM2.5, and about forty (40) percent of SO2 to the nation's air pollution. Without further controls, those numbers will rise to about thirty-four (34) percent of NOx, forty (45) percent of PM2.5, and ninety-four (94) percent of SO2 emissions by 2030.
More later.
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