Diverting Box Ships Will Push Up GHG Emissions

Carriers hit by slow demand, causing overcapacity and plummeting freight rates, are diverting Europe-to-Asia vessels around the Cape of Good Hope, effectively cutting capacity, but increasing greenhouse gas (GHG) emissions and saving on canal fees, syas an article published on The Loadstar.

Steaming distance

In its weekly report published , Alphaliner lists 13 such ships – three of which are not confirmed – most belonging to carriers from THE Alliance.

“Based on an exemplary non-stop voyage from Rotterdam to Singapore, the diversion around the African continent adds about 3,500 nautical miles of steaming distance,” says Alphaliner.

“Typically, the diverted vessels will steam at eco speeds of around 16 kn, which means the detour will add nine days to the ships’ transit time.”

Suez Canal fees

However, some ships will steam at even slower speeds, of around 10.5 kn, adding around two weeks.

Alphaliner calculations suggest by diverting around the Cape, carriers can save more than $600 on Suez Canal fees at prices.

Decarbonisation of shipping

This idea has not been lost on the International Transport Forum (ITF), which is affiliated to the Organization of Economic Cooperation and Development (OECD), which released a report  on the decarbonisation of shipping.

Voyage cost

Author Olaf Merk’s Carbon Pricing in Shipping argues: “Higher fuel costs increase the voyage costs of ships. Shipping companies will generally use shorter shipping routes to reach the destination. One can reasonably expect similar results from carbon pricing in shipping, likely raising the voyage cost and potentially changing the shipping routes.”

Higher carbon emissions

Mr Merk adds: “The Cape of Good Hope route would become less attractive than the Suez Canal route. The Cape route is much longer than the Suez route, leading to greater fuel consumption and higher carbon emissions. Carbon pricing would thus make this route more costly.”

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Source: The Loadstar

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