About: http://webisa.webdatacommons.org/54831253

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	2, 3]).The primary challenge with fuel cells that use propane and other hydrocarbons as their fuel is that the current densities (reaction rates) are small.
http://www.w3.org/ns/prov#wasQuotedFrom	hindawi.com