<http://schema.org/headline>
"In 2011 Coal Produced Less Than 40% of US Electricity, For First Time in 30 Years"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/fossil-fuels/2011-coal-produced-less-40-us-electricity-first-time-30-years.html>