Some 80% of Opec-plus' ample spare capacity lies with Mideast Gulf producers whose exports rely on the Strait of Hormuz, a potential chokepoint if war escalates.

The Strait of Hormuz is considered “the world’s most important chokepoint,” with about 20% of global oil supply passing through it.

Some 80% of Opec-plus' ample spare capacity lies with Mideast Gulf producers whose exports rely on the Strait of Hormuz, a potential chokepoint if war escalates.