New technology to lessen cruise lines environmental footprint

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Bubbles on the bottom of the vessel will create less friction. (photo: MHI)

Seven percent less fuel consumption is what they are saying the new environmentally friendly MALS (Mitsubishi Air Lubrication System) will bring to cruise ships. This new technology by Mitsubishi Heavy Industries will be installed on two 3,250-passenger AIDA Cruises’ ships due out 2015 and 2016.

How does this concept work?

The air blown out by the MALS from the vessel’s bottom produces small air bubbles which cover the vessel’s bottom like an “air-carpet”, which reduces friction between the hull and seawater during navigation. In turn, this technology reduces fuel consumption and carbon dioxide (CO2) output, reducing the ship’s carbon footprint.

Mitsubishi has already verified the performance of the MALS with an approximately 13% fuel consumption reduction during extensive sea trials on two module carriers which was the first commercial application of the MALS.

The orders were placed for the two Mitsubishi Air Lubrication System units November 2011.

Source: MHI

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