Low Carbon Marine Transport

Decarbonization Avenue : Low Carbon Marine Transport


Over 10 billion tons of goods are transported by ship each year. About 90% of the world's goods are transported by sea, with over 70% as containerized cargo. Such is the dominance of shipping for commercial and industrial logistics.

Shipping contributes about 3% of total CO2 emissions and there is a clear realization among all the industry players that they need to bring down these emissions significantly within a reasonable time period.

Many avenues are available for shipping decarbonization, with some of them (like LNG powered ships) already commercialized. Increasing the energy efficiency of the ship’s engines and powertrain could provide reasonable CO2 emissions reductions. Significant efforts and investments can be expected for these two decarbonization opportunities. 

Running ships on biofuels (bio-methanol or biodiesel) is another opportunity, though these efforts are only in pilot stages as of 2021. Given that a large ship could carry a massive 3 million gallons of fuel (about 9000 tons), use of biofuels for shipping could pose challenges in terms of availability of large volumes of biofuels. Electrification of shipping will face challenges similar to the one that the aviation sector faces - that of low battery energy density.

For the 2020-2030 period, some of the impactful innovations in this sector will be around route planning & fleet optimization, use of biofuels, wind powered ships, and use of digital technologies for monitoring and optimizing fuel consumption.

Industries impacted

  • Chemicals & petrochemicals
  • Environmental services
  • Fertilizers
  • Logistics
  • Marine transport
  • Oil & gas
  • Trading & distribution

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Themes & Topics

  • Types of marine transport

    • Very large container ships

    • Large ships

    • Cruises

    • Boats & yachts

  • Efficiency in shipping operations

    • While at sea

    • While berthing

  • Carbon capture on ships

  • CNG & LNG shipping

  • Biofuels

    • Methanol as a shipping fuel

  • Route planning & optimization

  • Electric boats, yachts & cruises

  • Electric shipping

    • Battery based

    • Hydrogen based

    • Ammonia based

  • Policies

  • Use of IT & digital solutions

  • Case studies

  • Financing

  • Collaboration

    • Organizations & associations