Berlin, September 10, 2025 — As the shipping industry braces for the rollout of the European Union’s FuelEU Maritime regulation, compliance strategies are under intense scrutiny. While vessel pooling has emerged as a favored option among some stakeholders, digital solutions provider ZERO44 is warning that pooling alone is no “silver bullet” for meeting the regulation’s stringent greenhouse gas (GHG) intensity targets.
FuelEU Maritime, which came into effect in January 2025, requires ships calling at EU ports to progressively reduce the GHG intensity of the energy they use, starting with a 2% reduction compared to 2020 levels. The targets will tighten incrementally to 6% in 2030 and up to 80% by 2050. Companies can comply through a variety of mechanisms, including direct emissions reduction, pooling, borrowing and banking compliance credits, using alternative fuels, or—if necessary—paying penalties.
Pooling: Useful but Limited
Pooling allows operators with underperforming ships to balance emissions deficits by linking them with vessels performing above compliance levels, effectively averaging out their results. This system has been widely promoted as an efficient way to mitigate the compliance burden across a diverse fleet.
But ZERO44, which recently launched a dedicated FuelEU compliance platform, is cautioning against overreliance on the method.
“Pooling is certainly an important option, but relying on it exclusively is far too short-sighted given the complexity of FuelEU Maritime and the volatility of today’s market environment,” said Friederike Hesse, ZERO44 co-founder and managing director. “Compliance is not static. Companies need a comprehensive overview of all available strategies and the economic factors that influence them.”
The Case for a Broader Strategy
ZERO44 argues that pooling’s effectiveness can be undermined by several factors:
- Market Volatility: Changes in fuel prices, carbon credits, and biofuel availability can quickly erode the economic benefit of pooling.
- Fleet Composition: Not all vessels can be paired effectively in a pool, particularly if technical limitations restrict the use of alternative fuels.
- Regulatory Oversight: Pools must be properly structured, transparent, and compliant, introducing administrative and legal risks.
To mitigate these risks, ZERO44 recommends that companies consider alternative or complementary approaches, including:
- Borrowing and Banking: Transferring surplus compliance to future years or using future gains to offset current deficits.
- Biofuel Integration: Strategically deploying certified biofuels on select voyages to reduce intensity scores.
- Penalty Calculations: In some cases, paying the FuelEU penalty may be more cost-efficient than implementing immediate technical or operational changes.
Digital Tools for Dynamic Compliance
To support this multi-pronged approach, ZERO44’s new software provides shipping companies with real-time visibility across compliance pathways. The platform includes features such as:
- Forecasting emissions and compliance balances using historical data and machine learning.
- Comparing the financial and environmental outcomes of pooling, biofuel use, borrowing, banking, and penalties side by side.
- Monitoring pooling balances to ensure validity and regulatory alignment.
- Offering biofuel procurement recommendations in partnership with bunker suppliers.
The system is designed to help operators adjust strategies dynamically as fuel markets, vessel performance, and regulatory interpretations evolve.
Industry Implications
Analysts note that while pooling can provide short-term relief, the regulation’s long-term trajectory will require shipping companies to invest in deeper decarbonization measures, including alternative fuels, efficiency technologies, and carbon-neutral propulsion systems.
“Pooling is a tactical tool, not a strategic solution,” said one EU-based maritime consultant. “The industry will eventually need to move beyond optimization of compliance credits and address the fundamental challenge of low-carbon operations.”
Bottom line: ZERO44’s warning underscores the need for flexible, data-driven compliance strategies under FuelEU Maritime. As the regulation tightens over the coming decades, companies that diversify their approach—rather than relying on pooling alone—will be better positioned to manage costs and meet ambitious decarbonization targets.
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