Ukraine’s General Staff confirms strike on Russian refinery 1,300 km from border

Ariel Cohen is a D.C.-based contributor who covers energy and security

Petrol stations become front-line hazards as Russia hits civilian logistics

Ukrainian drones have struck a major refinery deep inside Russia, marking the fourth attack in three days

Russia is one of the world’s biggest energy producers, with oil providing an economic mainstay as its army tries to push deeper into Ukraine in a slow and costly advance more than four years after Moscow launched its full-scale invasion.