The transition of tanker vessels to climate-friendly alternative fuels is crucial for reducing greenhouse gas emissions in the shipping industry. This requires careful consideration of technical feasibility, economic viability, and environmental impact over the vessels’ operational lifetimes.
Technical and Economic Analysis
The Mærsk Mc-Kinney Møller Center for Zero Carbon Shipping conducted a comprehensive analysis on preparing tanker vessels for conversion to methanol or ammonia fuels. This involved evaluating preparation levels and their impact on vessel design, operational range, and cargo capacity.
Cost Considerations
Depending on the preparation level and chosen alternative fuel, the additional cost of new building and conversion varies significantly. Dual-fuel newbuilds are most cost-effective if immediate operation on alternative fuels is anticipated, with preparation levels affecting initial capital expenditure.
Impact on Greenhouse Gas Emissions
Converting tanker vessels to alternative fuels can substantially reduce operational greenhouse gas emissions over their lifetimes, despite minimal emissions associated with the conversion process itself.
Operational Challenges and Solutions
Maintaining vessel operational range post-conversion poses challenges due to the lower energy density of alternative fuels. Solutions involve balancing tank placement to minimize cargo capacity loss or adjusting operational routes to accommodate reduced range.
This analysis underscores the complexities and opportunities in transitioning tanker vessels towards sustainable fuel solutions, aligning with global efforts for decarbonization in maritime transport.
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Source: Zero Carbon Shipping
