Grain conglomerate Archer Daniels Midland has ordered three dry bulk carriers that blow bubbles to improve fuel efficiency.
The boats, to be completed by 2014, rely on Mitsubishi Heavy Industries’ proprietary Mitsubishi Air Lubrication System (MALS). The setup uses massive blowers to create a layer of bubbles underneath an already streamlined hull in order to further [...]
Source: http://www.wired.com/autopia/2011/10/mitsubishi-builds-a-bubble-boat-for-better-efficiency/