<http://webisa.webdatacommons.org/prov/178569864>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/2465030> .
<http://webisa.webdatacommons.org/2465030>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/2465030>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<climatecentral.org> .
<http://webisa.webdatacommons.org/prov/71171233>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/2465030> .
<http://webisa.webdatacommons.org/2465030>	<http://www.w3.org/ns/prov#value>	"So-called unconventional oil ??? shale oil, tar sands and biofuels ??? are the most controversial forms of the fuel." .