<http://webisa.webdatacommons.org/281812538>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/190157499>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/281812538> .
<http://webisa.webdatacommons.org/281812538>	<http://www.w3.org/ns/prov#value>	"Some environmentalists are fretting that if natural gas stays cheap for long, it may become harder to justify investments in renewable energy sources such as solar and wind." .
<http://webisa.webdatacommons.org/281812538>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<governing.com> .