PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Under development with plans for a 2010 commercial launch, it promises to ???generate up to 250 kilowatts in a 6 knot current (varies with current speed).??? That last caveat is big because such technologies such as wind and tidal will need huge batteries to back them up during slack periods.
http://www.w3.org/ns/prov#wasQuotedFrom
  • designnews.com