About: http://webisa.webdatacommons.org/335313154

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	Keeping your engine tuned is the most effective improvement, and can increase your gas mileage anywhere from 4% to 40% depending on what kind of shape it was in to start.
http://www.w3.org/ns/prov#wasQuotedFrom	ecomii.com