U.S. sanctions on the global operations of Russian oil heavyweights Rosneft and Lukoil enter into effect today, with some 48 million barrels of Rosneft and Lukoil crude on tankers that will now have to look for new destinations. Bloomberg reported the figures, citing Kpler data and noting that the cargoes—mostly Urals and ESPO—were loaded on some 50 tankers with an original destination in China and India, but also others without a set final destination. The publication added that this round of sanctions was among the “most aggressive”…