PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Because most CHP facilities use natural gas and create two forms of energy (electric power and steam) with the same amount of fuel, they are often twice as efficient as older coal-burning electric utilities.
http://www.w3.org/ns/prov#wasQuotedFrom
  • americanchemistry.com