About: http://webisa.webdatacommons.org/112959901

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	There is nothing keeping any engine OEM from doing what you are suggesting, other than the fact that there is a very limited market and the costs would not be recoverable, regardless of what you say.
http://www.w3.org/ns/prov#wasQuotedFrom	avweb.com