Hogwash! Pure unadulterated crap. Mewspeak from the rabid British press. Down is up nonsense.
10 million barrels?
If half of that gets converted to gasoline, that’ll be about 500,000,000 gallons.
Put that into 276,000,000 vehicles ( https://www.statista.com/statistics/183505/number-of-vehicles-in-the-united-states-since-1990/ ) and they’ll be able to drive maybe 40 miles each.
Gee; thanks, Joe!!