About: hydrogen fuel

Premodifier: hydrogen
Head noun: fuel

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

Broader concepts

label	provenance	confidence
alternative energy source	isap:309053135	0.736657
alternative fuel	isap:178219036	0.703966
other option	isap:306778680	0.676374
fuel	isap:178219031	0.511797
gas	isap:128573831	0.407081
energy	isap:310713057	0.278482
hydrogen	isap:456403090	0.273636

Narrower concepts

label	provenance	confidence
infrastructure	isap:215742607	0.319034
natural gas	isap:246503670	0.313433