The surge in Russian crude sales in China and the simultaneous drop in Indian demand for Russia’s oil have prompted Moscow to turn to using a larger fleet of supertankers—vessels capable of carrying 2 million barrels of crude. In recent weeks, several smaller tankers that left Russia’s Western ports transferred their cargoes to supertankers, the so-called very large crude carriers (VLCCs), in the Red Sea and then traveled to China instead of India, Bloomberg reported on Tuesday, citing ship-tracking data from Vortexa and…