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US Opposes IMO Carbon Tax, Threatens Sanctions

10/12/2025

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Summary

Story summary

The United States opposes the International Maritime Organization (IMO) proposed carbon tax as part of its Net-Zero Framework.
Secretary of State Rubio and U.S. officials threaten sanctions and visa restrictions against nations backing the tax.
They say the proposal could raise global shipping costs by more than 10%.
The United States remains prepared to act against supporters, even as some shipping companies back a decarbonization framework and others express concerns.

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Story summary

The United States opposes the International Maritime Organization (IMO) proposed carbon tax as part of its Net-Zero Framework.
Secretary of State Rubio and U.S. officials threaten sanctions and visa restrictions against nations backing the tax.
They say the proposal could raise global shipping costs by more than 10%.
The United States remains prepared to act against supporters, even as some shipping companies back a decarbonization framework and others express concerns.