African fuel importers are expected to gain short-term access to additional crude supply after the United States announced a temporary measure allowing certain countries to purchase Russian oil cargoes currently stranded at sea

The expiration effectively ends for now a brief period where the administration eased sanctions on some Russian oil, enabling purchases that would otherwise be barred.

A temporary U.S. sanctions waiver allowing for the sale and delivery of Russian seaborne crude expired this weekend, marking the second time Washington has let the relief measure…