PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Other fossil fuels, such as coal and natural gas, also will have declining EROI over time.
http://www.w3.org/ns/prov#wasQuotedFrom
  • theenergycollective.com