Fuel Cost Calculator

Estimate the revenue potential from replacing fossil fuel with biofuel.

Shipping gets charged for every tonne of CO2eq it emits, and the rules tighten every few years. Move the year slides and see how the impact of regulations increases.

2026
Use surplus for:
2026203020352040
€600
€1.314
−€714
+€62
+€345
+€470
+€0
+€163
Fossil fuel price
Biodiesel price
Biodiesel price premium
FuelEU penalty savings
EU ETS savings
FuelEU surplus revenue
Insetting revenue
Net effect
1 tonne HFO€1.013
Fuel costs€600
EU ETS allowances€351
FuelEU penalty€62
1,09 tonnes biodiesel, same energy€850
Fuel costs€1.314
EU ETS allowances€6
FuelEU surplus revenue−€470
Insetting revenue (voluntary market)−€0
In 2026, on voyages within Europe, switching this tonne to biodiesel saves you €163.
Edit the underlying assumptions:
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Voyage

The calculation assumes a biodiesel well-to-wake intensity of 12 gCO₂eq/MJ. The surplus biodiesel generates under the IMO NZF follows a forecast path as estimated by the Mærsk Mc-Kinney Møller Center for Zero Carbon Shipping, from $243 per tonne of CO₂eq in 2029 to $380 in 2040; the surplus under FuelEU Maritime follows an assumption by ZERO44, from €150 per tonne of CO₂eq in 2026 to €437 in 2040; fuel prices stay flat at entered values; the inset value stays flat at an assumed €120 per inset; the EU allowance price follows a forecast by Pietzcker et al. (2021), from €111 per tonne of CO₂eq in 2026 to €222 in 2040. The IMO Net-Zero Framework is assumed to enter into force in 2029, using the targets as approved at MEPC 83. The numbers are illustrative for one tonne only.

Questions & Answers

What does the calculator show?

What does the calculator show?

Why does the cost of a tonne of fossil fuel rise each year?

Why does the cost of a tonne of fossil fuel rise each year?

Why does the comparison use 1,09 tonnes of biodiesel?

Why does the comparison use 1,09 tonnes of biodiesel?

What is surplus revenue?

What is surplus revenue?

How does the voyage setting change the result?

How does the voyage setting change the result?

How does this apply to my fleet?

How does this apply to my fleet?

Which fuel prices does the calculator use?

Which fuel prices does the calculator use?

How is the FuelEU surplus valued?

How is the FuelEU surplus valued?

What does "Voluntary Markets" mean?

What does "Voluntary Markets" mean?

How is the IMO Net-Zero Framework included?

How is the IMO Net-Zero Framework included?

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© 2026 zero44 GmbH

All rights reserved.

Don't Just Comply.
Compete.

Make commercial sense of carbon regulations like numerous customers worldwide with ZERO44

© 2026 zero44 GmbH

All rights reserved.

Don't Just Comply.
Compete.

Make commercial sense of carbon regulations like numerous customers worldwide with ZERO44

© 2026 zero44 GmbH

All rights reserved.