Japan is planning to submit an application to the International Maritime Organization (IMO) for an emission control area (ECA). Currently three different options are being considered, ranging from localised "micro-ECAs" to a comprehensive ECA similar to that adopted for North America.
The "micro-ECAs" would introduce strict emission limits in waters around some of the most densely populated areas with a high volume of shipping traffic, such as Tokyo and Osaka Bay. The two other options are a 200 nautical mile (nm) or a 50 nm ECA zone in the coastal waters around Japan. An assessment of costs and benefits is currently underway for the different options.
Source: Sustainable Shipping News, 22 November 2010
