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That said this term is not going to be acceptable to anyone so it's likely not going to happen. It remains to be seen where we'll be after the two week ceasefire that Iran declared it would never accept (no ceasefire, only end of war). Iran certainly has some leverage but so does the US.
It literally doesn't matter where the oil comes from, it only matters how much gets shipped! Only an utter fool could say something like "closing off the strait of Hormuz doesn't matter because our oil doesn't come from there." One merely has to look at current US gas prices to see how utterly silly that notion is!
We could probably slash gas prices by banning oil exports, thus removing domestic oil supply from global market pricing (barring smuggling). The oil industry would probably hate that, though, for obvious reasons.
Ultimately, though, this is yet another wakeup call for why an economy and society built around lighting a finite resource on fire is a bad idea, and hopefully this time around that wakeup call sticks.
To my understanding, you couldn't do this, no. The US is a net oil exporter, but many of its refineries are tuned for processing oil with a chemical composition that isn't found in the US, or not found in sufficient quantity. So the US has to both import and export oil, it can't just replace imports with exports.
How difficult would it be to retune those refineries to process domestic oil instead? In a world where a heavy-handed extreme like “banning oil exports” is on the table, surely doubling down on the heavy-handedness wouldn't be out of the question.
And seems about 23% comes from the Middle East. https://www.energy.ca.gov/data-reports/energy-almanac/califo...
The idea of counting "reliance" based on the exact shipping route that serves you today is nonsense.