Bloomberg Oil’s recovery is helping ease the pain of shrinking output by China’s biggest energy producers. PetroChina Co., the country’s largest producer, reported first quarter earnings swung to a profit thanks to the surge in prices, even as total output fell 6.3% from a year ago. China Petroleum & Chemical Corp., the refining giant known as Sinopec, saw net …

  Bloomberg Wind may have just gotten a boost in the biggest US electricity market. New rules requiring power producers to ensure supplies are available all year round are giving some an incentive to use more wind. The first test will come at next month’s auction by PJM Interconnection LLC — the grid operator covering the region from Chicago to …

  Bloomberg Ride-hailing giant Didi Chuxing raised more than $5.5 billion from investors, scoring the largest round of funding ever for a technology company to bankroll an expansion beyond China and into driver-less technology. Didi, which drove Uber Technologies Inc. out of China last year, is already one of the country’s best-funded private companies: its backers range from powerful state …