According to published estimates, Russia used roughly 545,000 liters of gasoline in May 2026 to launch Shahed/Gran-2 suicide drones and decoy "Gurba" drones. Of the approximately 8,150 long‑range drones fired in May, about 4,900 were Gran‑2 types, each averaging 105 liters of fuel, accounting for about 513,000 liters. Decoy Gurba drones consumed an additional 32,000 liters, bringing the total to around 545,000 liters. In the first 26 days of June, Russia launched over 5,200 long‑range drones toward Ukraine, with an estimated 350,000 liters of fuel used for Gran‑2 and Gurba drones.