<http://schema.org/headline>
"Look, It's the Green Hornet! Navy to Test Biofuels in F-18 Fighter Jet"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/renewable-energy/look-its-the-green-hornet-navy-to-test-biofuels-in-f-18-fighter-jet.html>