Exports have shrunk from over 2.5 million bbl/d since the U.S. withdrew from a nuclear deal with Iran and reimposed sanctions in 2018. Still, Iran has been working to get around the measures and keep exports flowing.
On the Gulf Coast, storage facilities and pipelines are moving forward. Elsewhere, COVID-19 and the courts are causing headaches.
In a statement, White House spokesman Judd Deere called the move by California "alarming" and said it would destroy jobs and raises consumer costs.