About: friendly fuel

Premodifier: friendly
Head noun: fuel

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
coal	isap:168288204	0.557202
natural gas	isap:246503437	0.539099
oil	isap:245922961	0.421755
gas	isap:246503650	0.397732
hydrogen	isap:377597645	0.321090
ethanol	isap:79880085	0.298657
lpg	isap:249292384	0.291321
wood	isap:174696280	0.251372
bio-diesel	isap:503410315	0.184793