Oil has been on everyone’s lips since the start of the US and Israel’s war with Iran. Global energy markets are on tenterhooks as traffic through the Strait of Hormuz, through which about one-fifth of the global oil supply transits, has nearly halted, while attacks on energy facilities across the Middle East have heightened uncertainty. The blockade means that some 15 million barrels of crude oil and 5mn barrels of other oil products are choked off from global markets every day. The disruption h...