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Marine & Maritime

Lower fuel cost on every voyage

For vessel owners, fishing fleets and harbour operators facing rising bunker costs and emissions rules.

Commercial vessel at sea

The challenge

Where the fuel goes, and the margin with it

Fuel is the biggest cost most marine & maritime operations can still control. Here is what we hear from teams like yours.

  1. Bunker fuel is the biggest voyage cost

    Every tonne of fuel saved goes straight to the voyage result.

  2. Emissions rules keep tightening

    Carbon intensity ratings and port rules put fuel efficiency on the charterer's checklist.

  3. Every vessel is different

    Hull, engines and routes vary, so savings have to be proved vessel by vessel.

  4. Limited time alongside

    Anything new must fit into bunkering and normal watchkeeping, not add work.

How we measure

Measured on your machines. Not in a brochure.

One vessel, its own history. We compare fuel per day or per nautical mile on comparable voyages before and during the trial, from the engine-room log.

Units we reportfuel per day · per voyage · per nautical mile

  1. Baseline

    We read your own fuel and output records and set the starting point with your team.

  2. Controlled trial

    The same equipment runs on DeCarb under normal duty, logged the same way.

  3. Signed result

    You get a before-and-after report in fuel/day, ready for management and ESG reporting.

Estimate your savings in fuel/day

Proof in this sector

Your operation could be the first case study

We have not yet published a marine & maritime case study. Run a measured trial with us and the result is yours, in your own units.

Trial on one vessel first, measured per day and per voyage.Free assessment, controlled trial, signed result. Then you decide.

Start a vessel trial

Equipment covered

Works with the vessels you run today

No new engines, no new burners, no capital project. DeCarb goes into the fuel you already buy.

  • Fishing trawlers and boats
  • Tugs and harbour craft
  • Ferries and passenger boats
  • Coastal cargo vessels
  • Offshore supply vessels
  • Auxiliary engines and gensets on board

FAQ

Questions from marine & maritime teams

Something else on your mind? Ask an engineer.

How does a vessel trial work?

We pick one vessel, use its engine-room log as the baseline, and compare fuel per day or per nautical mile on comparable voyages during the trial.

Which product is used on vessels?

DeCarb Marine Plus, formulated for marine diesel engines. It is dosed at bunkering or into the service tank.

Can the data support CII reporting?

Yes. Measured fuel per day and per voyage feeds straight into carbon intensity calculations and your emissions records.

Marine & Maritime

Request a site assessment. See the saving in fuel/day.

Tell us what you run and how much you burn. An engineer will reply within one business day with a plan for your free assessment and trial.