Energy Collection: A series of recent industry announcements is pouring cold water on the argument that tar sands development will happen at the same pace and scale with or without major infrastructure projects like Keystone XL. In recent months, two major tar sands mines have been canceled, the Canadian Association of Petroleum Producers (CAPP) have substantially reduced their forecasted rates of tar sands expansion, and rising costs have caused an investor exodus for a number of proposed projects. Even as increasing...