Cleaner Fuels Could Lower Risk for Arctic Shipping
A report published by the International Council on Clean Transportation (ICCT) finds that using heavy fuel oil in Arctic shipping creates such great risks compared to the cost of moving to safer fuels, that transitioning to these safer fuels is the only rational action for Arctic ship operators.
The report, entitled “Alternatives to heavy fuel oil use in the Arctic: Economic and environmental tradeoffs,” commissioned by the European Climate Foundation finds that the Arctic shipping fleet would achieve significant financial and environmental benefits if it moves from the use of heavy fuel oil to alternatives such as LNG or distillates between 2020 and 2025.
Heavy fuel oil (HFO) is referred to as a “residual fuel” because it is the leftover residues from the crude oil refining process. HFO is tar-like sludge that breaks down extremely slowly in cold Arctic waters and is close to impossible to clean up in the event of a spill. While HFO powers 44 percent of the ships currently operating in the Arctic, it accounts for more than 75 percent of the fuel onboard those ships, according to ICCT figures.
The report compares the economic and environmental trade-offs of switching from HFO to distillate or liquefied natural gas (LNG) for ships in the Arctic, following recent concerns that the transition to low-sulphur fuels, distillates, or LNG will be more costly than continuing to use HFO. LNG is less expensive than HFO and evaporates if spilled, but ships must undergo conversion to use LNG, which requires substantial capital investment. The price of distillate fuel is higher than HFO but it is less expensive to clean up in the event of a spill.
“HFO may be cheap, but it’s seven times more expensive to clean up than distillate fuel. It seems prudent, therefore, to seriously consider eliminating HFO in the Arctic,” said report co-author Bryan Comer, a Researcher for the International Council on Clean Transportation’s Marine Program. “The takeaway is that any short-term financial benefits of burning HFO in Arctic waters is completely outweighed by the economic and ecological risks of using it.”
The report also discusses the ecological and societal benefits of switching from HFO or residual fuel blends to alternative fuels, which would include reduced air emissions that contribute to human induced climate warming, including black carbon.
The report’s authors conclude that “prohibiting the use and carriage of HFO…offers a short-term solution that immediately reduces the risks associated with the use and carriage of HFO as a marine fuel.” In addition, they estimate the cost to eliminate the use of HFO or any residual fuel whatsoever in the Arctic by 2020 and beyond are only about $10 million across the entire fleet, compared to the costs of cleaning up an HFO spill, which routinely exceed $100 million per incident.
“Moves to mitigate the risks of using HFO in the Arctic will be on the table at this July’s gathering of the IMO’s Marine Environment Protection Committee”, said Dr Sian Prior, lead advisor to the Clean Arctic Alliance. “The shipping industry still has time to get ahead of the game, and start switching to cleaner fuels, before a complete ban is put in place.”
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