About: http://webisa.webdatacommons.org/148352879

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	Seeing that winglets, engine enhancements/replacements and other modifications to the current models each can save a couple of percent here and there, in the order of 4-6% total, why develop a new frame for only an additional 4% saving?
http://www.w3.org/ns/prov#wasQuotedFrom	airliners.net