PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The TransCanada Keystone XL project is designed to deliver carbon liquids derived from Canadian Tar Sands to U.S. Gulf Coast refineries to be refined for, mainly, export to Chinese and other markets.
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  • getenergysmartnow.com