Europe may need to ration its energy supply if efficiency doesn't improve and demand doesn't cool, the International Energy Agency's executive director warned. If winter weather is harsh and drags on while demand in China ramps up as COVID lockdowns continue easing, then rationing is on the table unless energy efficiency starts improving quickly, Faith Birol told the Financial Times. "I wouldn't exclude the rationing of natural gas in Europe, starting from the large industry facilities," he said. Birol suggested better efficiency, renewable sources, and "making the most of existing" energy supplies would help ensure energy security, rather than starting...