" In the decade and a half following its entry into the World Trade Organization in 2001, China’s oil consumption increased two and a half times over. It is currently the eighth-largest oil producer in the world, at 3.8 million barrels per day. But its demand has surged far ahead of domestic supply. It has become the world’s largest importer of oil: by the beginning of 2020, 75 percent of total demand. "

― Daniel Yergin , The New Map: Energy, Climate, and the Clash of Nations