"...Today, 2 Russian refineries were struck byUkrainian Kamikaze Drones in the Samara Region of Russia, located 800km to 900km from Ukraine . One drone strike was on an oil refinery in Syzran, and several drones struck the Novokuibyshiv oil refinery..."
Modern armies are thirsty for fuel, this keeps up putin will have to choose between feeding the army or keeping his people on the road.