id author title date pages extension mime words sentence flesch summary cache txt news-002844 Notre Dame Energy Center established | News | Notre Dame News | University of Notre Dame .html text/html 1043 44 43 Renewable energy resources The most abundant renewable energy resource is solar power. They are energy efficiency; safe nuclear waste storage; clean coal utilization; carbon dioxide (CO2) separation, storage and usage; and renewable energy resources. cache/news-002844.html txt/news-002844.txt