<http://webisa.webdatacommons.org/328702266>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<economist.com> .
<http://webisa.webdatacommons.org/prov/190157499>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/328702266> .
<http://webisa.webdatacommons.org/328702266>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/328702266>	<http://www.w3.org/ns/prov#value>	"Sources & acknowledgmentsReprints Barely a week goes by without Barack Obama promoting new measures to spur investment in renewable energy such as wind, solar and biofuels to wean America off imported oil and to reduce greenhouse gases." .