Roiled Over Refineries

Environmentalists are vowing to challenge in court South Dakota's just-announced decision upholding a key air permit for what would be the first new refinery built in the United States in 30 years, a project designed to process crude oil from the Canadian tar sands. South Dakota's Department of Environment & Natural Resources voted to approve a permit for the Hyperion energy center, the company announced , which includes an oil sands refinery and power plant that activists and others oppose...