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Ross said, “An increasing number of bracing electric power are fairly obvious However, for ocean-going cruise ves- companies are specializing in the pro- and include reductions in noise and vi- sels, battery packs are currently too big

Fuel Cells duction of biofuels from sustainable bration, and decreased emissions such as to have as the main power supply for a The use of fuel cells as an eco-friendly sources. It’s quite interesting because NOX, SOX, and PM. “This is particular- large cruise ship travelling long distanc- ship propulsion has also received a lot this is a fuel solution that you can ap- ly important in ports, populated coastal es. Nevertheless, the technology is ad- of attention from organizations such ply to any vessel, but the challenges are areas and environmentally delegate des- vancing at pace and perhaps in another as Carnival and Royal Caribbean. The within costs as it is signi? cantly more tinations. Norway is an exciting place to 10 years’ time, batteries will play a more technology represents another dramatic expensive - around 70-80% - compared follow right now as it offers a glimpse prominent role. step forward for the maritime industry in to standard fuel prices. And of course, into what the future will bring for cruise Battery powered propulsion systems green innovation.

this is an important consideration for and ferry vessels in terms of electric. are already being engineered for smaller Fuel cells produce energy using an many ship owners. But as with all inno- They already have fully electric ferries ships and engine manufacturers such electrochemical reaction, rather than vation and new techniques, at some point in places like the Norwegian Fjords. Var- as MAN Diesel & Turbo are preparing combustion. The process converts fuel suppliers will ? nd a way to deliver the ious hybrid solutions, such as LNG hy- hybrid electric solutions for vessels of directly to electricity and heat, increas- product at reduced costs. The question is brids with batteries, or maybe partially all sizes. Exploration cruise operator, ing operational ef? ciency. Water is the which alternative fuel will get there ? rst? diesel-electric propulsion could also be Hurtigruten, will also be launching two only waste product, so they cause less

It is a race where Fuel availability and a scenario which I can see coming in the next generation explorer ships within the pollution and eliminate emissions.

pricing will ultimately decision what so- near future. You could say that the tech- next two years, set to be the world’s ? rst According to a study by DNV GL lution gets adopted widely.” nology is already here,” said Ross. battery hybrid powered vessels. Rune commission by the European Maritime

As well as the price of the fuel itself, The issue with today’s battery technol- Thomas Ege, Hurtigruten’s VP Global Safety Agency (EMSA) the industry the cost of building or retro? tting dual ogy is the energy density, impacting the Communications, ? rmly believes that is dozens of projects, evaluating seven fuel ships, the size of fuel tanks, and size of batteries packs onboard and the the future of the cruise industry is elec- different fuel cell technologies. These concerns about safety, are also factors in cruising range of electric ships. Today’s tric, saying, “We have seen the Tesla projects include the alkaline fuel cell need of consideration. technology will allow smaller battery- Revolution on shore, and I think that the (AFC), the proton exchange membrane hybrid vessels to switch to zero emis- Tesla Revolution is coming to the Seas. fuel cell (PEMFC), high temperature sion, electric propulsion near coastal When it does, we are con? dent that we PEMFC (HT-PEMFC), direct methanol towns and in environmentally sensitive will be in front when that happens.” fuel cell (DMFC), phosphoric acid fuel Electric Power

The environmental bene? ts for em- regions, and while travelling into ports. cell (PAFC), molten carbonate fuel cell

The 12V51/60DF from MAN Diesel & Turbo

Image Courtesy MAN Diesel & Turbo 46 Maritime Reporter & Engineering News • FEBRUARY 2018

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