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20 October 2021updated 10 Nov 2021 7:29am

Green hydrogen could reduce shipping emissions by 80% by 2050 – report

The decarbonisation of maritime transport will require both energy efficiency and widespread use of cleaner fuels. To promote the latter, a carbon levy will be essential, says IRENA.

By Energy Monitor Staff

The rapid replacement of fossil fuels with renewable fuels – based on green hydrogen and advanced biofuels – could slash 80% off CO2 emissions in international shipping by 2050, says a report from the International Renewable Energy Agency (IRENA).

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Shipping containers at a port in Rio de Janeiro, Brazil. (Photo by Donatas Dabravolskas via Shutterstock.com)

The decarbonisation of maritime transport, which is responsible for 3% of global greenhouse gas emissions, must involve a combination of energy efficiency and renewable fuels, the report says. While energy efficiency measures must begin instantly, renewable fuels are expected to make up 70% of the sector’s energy mix by 2050.

In the short term, biofuels will play a key role, but they are only expected to represent 10% of the energy mix in 2050. Green hydrogen-based fuels are set dominate in the long term, representing 60% of the energy mix in 2050.

E-methanol and e-ammonia are the most promising green hydrogen-based fuels, the report says, and 183 million tonnes of renewable ammonia is expected to be needed by 2050. The global ammonia industry already produces an estimated 180 million tonnes of ammonia annually.

The report calls on policymakers to impose carbon pricing to discourage the use of fossil fuels.

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img

What's the outlook for low carbon hydrogen?

The development of the hydrogen economy will support the fulfilment of decarbonization objectives, particularly for those sectors that are difficult to electrify, such as heavy industry, long-distance trucking, shipping, and aviation. GlobalData's Hydrogen Service tracks investment in the hydrogen sector, and provides you with:
  • A complete dataset of the low-carbon hydrogen projects across the globe.
  • Latest news across the hydrogen value chain.
  • Quarterly market analysis, with details of new projects, company activity and financial deals.
For more information, and to download sample pages from our quarterly market analysis, including a summary of the active and upcoming low-carbon hydrogen capacity by region, please enter your details.
by GlobalData
Enter your details here to receive your free Whitepaper.

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