The U.S. Department of Energy (DOE) will extend the contract for management of its National Renewable Energy Laboratory (NREL) by Alliance for Sustainable Energy, LLC. In a letter to the Alliance, DOE said it was providing preliminary notice that the department will exercise the option to extend Alliance’s contract to manage and operate NREL beyond the current five-year contract period. The department did not specify the extension period in its notice to the Alliance. Alliance is a limite...