PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • DOE's Fuel Cell Technologies Program has funded research and development of catalysts, membranes, and other fuel cell components, resulting in more than 300 patents and 33 commercially available technologies.
http://www.w3.org/ns/prov#wasQuotedFrom
  • energy.gov