Bloomberg Wind turbine makers are finding it increasingly difficult to get parts they need to build their machines, snarling progress on a global shift toward renewables at precisely the time scientists say it needs to speed up. Manufacturers including Vestas Wind Systems A/S and Siemens Gamesa Renewable Energy SA are wrestling with their own factory shutdowns and disruptions to suppliers …

Bloomberg Crude prices in America’s oil capital are getting dangerously close to zero. Buyers bidding for crude in Texas, the birthplace of the shale revolution, are offering as little as $2 a barrel for some oil streams, a precipitous markdown from a month ago. The slumping value of physical barrels is raising the possibility that Texas producers may soon have …

Bloomberg TC Energy Corp’s Keystone XL oil-sands pipeline was a dealt a setback with a judge’s ruling that the US Army Corps of Engineers improperly approved a streamlined permit process without fully evaluating the impact on endangered species. In a legal challenge brought by environmental groups, a federal judge in Montana ordered the agency to conduct further review and barred …