About: http://webisa.webdatacommons.org/431794763

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	IntroductionPresently the world???s energy needs are met through non-renewable resources such as petrochemicals, natural gas and coal.
http://www.w3.org/ns/prov#wasQuotedFrom	sciepub.com