About: dirty fossil fuel

Premodifier: dirty fossil
Head noun: fuel

Same concepts

Broader concepts

label	provenance	confidence
energy	isap:310713046	0.270965

Narrower concepts

label	provenance	confidence
natural gas	isap:246503467	0.613557
oil	isap:245922901	0.575662
coal	isap:168288134	0.479410