PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • August 21st, 2014Are Hydrogen Fuel Cell Cars Still a Option?Fuel Cell cars have not caught on because creating hydrogen has turned out to be highly inefficient compared to other readily available fuels and would also require an enormous and costly infrastructure.
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  • hvpress.net