Shipping industry fears fuel shortages as Iran war squeezes bunker fuel supply May 15, 2026 Fuel, Bunkering, Global Trade, International Shipping, Maritime, Ship Bunkering, Shipping Line, Trending News SINGAPORE: Ship operators rely on a sludgelike substance known as bunker fuel to keep vessels running. The Iran war ‘s closure of the Strait of Hormuz has choked off the supply of this fuel