The sulphur limits for Emission Control Areas (ECA) will be significantly lower. Including North American regions, Caribbean Islands under the sovereignty of the United States like Puerto Rico, the North Sea and Baltic Sea as well as harbor areas. Shipping is allowed to only use oil with a maximum sulphur content of 0,1m.-% in the ECAs since January 1st, 2015.
Background: In the IMO measures for environmental protection are decided by the Marine Environmental Protection Committee (MEPC). In 1973 they have created the first legal basis for environmental protection in shipping (convention MARPOL).