Gas prices over $6.00 are displayed at a Shell station across from the Marathon Petroleum Corp's Los Angeles Refinery on April 02, 2026 in Carson, California. —Justin Sullivan/Getty ImagesIran’s effective closure of the Strait of Hormuz, one of the world’s most important energy transit routes, has caused a global oil shortage that is already affecting consumers from Europe to Asia and beyond.Some nations are now taking extraordinary measures to …