About: http://webisa.webdatacommons.org/228519997

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	At the same time, the technology for finding and producing oil and other energy sources, like natural gas, has dramatically improved, especially in the last 20 years.
http://www.w3.org/ns/prov#wasQuotedFrom	ncsu.edu