About: http://webisa.webdatacommons.org/453190636

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	Those modifications included using specially designed spark plugs and alternate materials for valve seats and other parts that may become brittle when exposed to hydrogen.
http://www.w3.org/ns/prov#wasQuotedFrom	nrel.gov