Oil prices are up swinging wildly as the widening Iran war disrupted tanker traffic through the Strait of Hormuz, highlighting how important the passageway is to the world’s oil supply.

Saudi Arabia, Bahrain, Qatar, UAE, Kuwait, Lebanon, Iraq and Jordan are among the nations that have been caught up in the conflict. Maira Butt and Alex Croft report ...

Discover which countries maintain the largest emergency oil reserves and their strategies for managing energy security amid global supply disruptions. Learn about U.S., Japan, Germany, and more in ...