<http://webisa.webdatacommons.org/31362601>	<http://www.w3.org/ns/prov#value>	"Even today, coal, oil, natural gas, and other energy sources fill different roles in the overall energy economy; the future promises much more diversity of the same kind." .
<http://webisa.webdatacommons.org/31362601>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/308986856>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/31362601> .
<http://webisa.webdatacommons.org/prov/212652582>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/31362601> .
<http://webisa.webdatacommons.org/31362601>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<blogspot.com> .