Prices surged after the administration imposed what officials called "most significant sanctions yet on Russia's energy ...

Crude oil is a finite resource; petrol and other fuels are produced from it using fractional distillation. ‘Cracking’ is used to convert long alkanes into shorter, more useful hydrocarbons.

Crude oil is a finite resource. Petrol and other fuels are produced from it using fractional distillation. Cracking is used to convert long alkanes into shorter, more useful hydrocarbons.

Since October, when the Biden administration started cracking down on Iran-linked tankers, their crude deliveries to China, which buys nearly all of Iran’s oil, have shrunk by a quarter ...