OceanSaver announces that its ballast water treatment system has formalized an order by Höegh Fleet Services for 10 such systems on its managed fleet of car and gas carriers. The first four systems will be delivered in 2008 – two on Höegh's Horizon-class car carrier newbuildings under construction in , and two on car carriers that Höegh will retrofit.
The UN has defined transport of invasive marine species in ballast water as one of the four greatest threats to the world's oceans. Introduction of a new species of jellyfish to the cost local industries USD 200 million annually. A similar problem with zebra mussels in the was estimated to cost USD 500 million over 10 years. A related problem – corrosion of ballast water tanks – could cost shipowners millions of dollars in the refurbishment of these spaces, which account for as much as 70 per cent of a vessel's surface area.