About: http://webisa.webdatacommons.org/109773705

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	I am assuming your talking about UREA or DEF not DPF. I can understand how it is an issue, especially with the kind of thinking you describe, reserve tank. heh.
http://www.w3.org/ns/prov#wasQuotedFrom	powerstroke.org