<https://secure.gravatar.com/avatar/b8ffa814c4755ead5573b199b0557bdf?s=96&amp;d=blank&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.hydrogenfuelnews.com/jeremy-clarkson-comes-out-in-support-of-hydrogen-fuel-cells/8528018/>