Explainer: US-Iran war still trails the 1979 oil shock by total losses

The Iran war has created the largest oil supply shock ever in terms of daily production losses but the 1979 Iranian Revolution remains the biggest oil crisis by cumulative supply loss, according to Reuters calculations based on International Energy Agency, OPEC and U.S. Department of Energy data.

The scale of the disruption from the U.S.-Israeli war on Iran has revived comparisons with the 1973 Arab oil embargo, the Iranian Revolution and the 1991 Gulf War, while highlighting how global energy...