The United States ranks 19th in a global ranking of clean-energy technology sales as a proportion of respective gross domestic product. Denmark takes the lead followed by Brazil and Germany. Spain comes in fourth and China ranks sixth in relative product sales. These advances have been fostered in part by a comprehensive suite of policies that develop markets, financing, and infrastructure support for clean energy technology development, something that the United States presently lacks, as our recent report "Out of the Running?" explains.