New Delhi, June 18 -- A tentative reopening of the Strait of Hormuz is underway after the interim peace agreement between the United States and Iran triggered the first significant movement of oil and gas tankers through the vital waterway in months. Several supertankers carrying crude oil, LNG vessels from Qatar, and Iranian ships have resumed transit, signaling a potential easing of one of the world's most critical energy bottlenecks.

The key trigger was the interim US-Iran peace deal, under which Tehran committed to helping restore shipping traffic through the Strait of Hormuz to pre-war levels within 30 days.

Several developments followed:

-Iran agreed to facilitate maritime traffic and ease restrictions on vessels entering and lea...