About: fuel efficient

Premodifier: fuel
Head noun: efficient

Same concepts
http://dbpedia.org/resource/Fuel_efficiency

Broader concepts

label	provenance	confidence
alternative fuel	isap:149554819	0.586585
engine	isap:132518560	0.187810
vehicle	isap:25500293	0.180957
car	isap:487760737	0.127964

Narrower concepts

label	provenance	confidence
hybrid	isap:419975110	0.290043
car	isap:263133570	0.144428