<https://newenergyandfuel.com/http:/newenergyandfuel/com/tag/silica-aerogels/#listItem>
<http://schema.org/position>
"2"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://newenergyandfuel.com/http:/newenergyandfuel/com/tag/silica-aerogels/>