<http://schema.org/description>
"The U.S. Navy is touting its \u201CGreat Green Fleet,\u201D but why haven\u2019t biofuels made a bigger splash despite a decade of hype and investment?"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.technologyreview.com/s/546196/the-problem-with-biofuels/>