PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • And the winning form of generation is natural gas which is plentiful, has relatively low emissions including CO2, and is cheap (fuel cost is about 3 cents per kWh in modern combined cycle plants).
http://www.w3.org/ns/prov#wasQuotedFrom
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