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US shipowners face 'stranded assets' risk

  • : Oil products
  • 23/09/22

The decarbonisation of the shipping industry risks leaving US shipowners with "stranded assets", delegates heard at the Argus Sustainable Marine fuels conference in Houston.

US-flagged vessels, many of which still have 20 or more years of their shelf lives remaining, could become stranded as the adoption of low- or zero-carbon marine fuels begins to ramp up, according to Caitlyn Stewart from the American Waterways Operators, a trade association for the US tugboat and barge industry.

Panellists at the conference agreed that these vessels are unlikely to be retrofitted with methanol or ammonia-ready engines, given such measures are widely viewed as economically unviable. Stewart noted that there are no federal grants available in the US to helping shipowners decarbonise their existing fleets. She also pointed to a lack of a bespoke maritime decarbonisation policy in the US.

The impact of the US' Inflation Reduction Act of 2022 on the development and adoption of low- or zero-carbon fuels, such as hydrogen, was a talking point throughout the conference, although Edward Carr from consultancy Energy and Environmental Research Associates pointed out that the legislation does not specifically address marine fuels.

Jan League of the US Coast Guard told delegates that purchasing a tugboat with engines that can utilise new, sustainable fuels could involve 18 months to two years of "risk assessment" spanning every aspect from the bunkering system all the way to the cargo process and the engine room itself. This may present a challenge for shipowners aiming to decarbonise, as long waiting periods will weigh on economics, League said.

The alternative marine fuels market is still in its infancy, with only small amounts of low- or zero-carbon fuels such as green methanol being supplied. But demand is on course to grow as the shipping sector strives to meet the International Maritime Organisation (IMO)'s revised greenhouse gas (GHG) emissions target of net zero by or around 2050. Interest in alternative marine fuels is picking up momentum, but high costs are constraining demand, according to market participants.


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