• The National Renewable Energy Laboratory (NREL) says in a new report that the U.S. could meet 80% of energy demand in 2050 with currently available renewable technologies.
• Accomplishing that requires a "Increased electric system flexibility" that can come from "a portfolio of supply- and demand-side options."
• The cost of a renewable-energy scenario is "comparable" to clean-energy options.

From the article: "A new report published by the National Renewable Energy Laboratory (NREL) seeks to find the extent to which renewable energy supply can meet the electricity demands of the U.S. over the next several decades."