About: http://webisa.webdatacommons.org/225918670

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The Energy Department has a handy chart breaking down the advantages and disadvantages of different types of fuel cells, and the membrane is one of the main disadvantages of PEM fuel cells.
http://www.w3.org/ns/prov#wasQuotedFrom	cleantechnica.com