PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Compared to fossil fuels and coals, these natural resources are usually referred to as clean forms of energy since they do not produce harmful emissions and polluting agents into the atmosphere and thus have a very minimal environmental impact during the process of production which is a very good factor in the preservation of our environment.
http://www.w3.org/ns/prov#wasQuotedFrom
  • which-energy.co.uk