Assertion: fuel cell's fuel | /r/HasProperty | any material
Facets:
Source sentences:
text: A fuel is any material that can be made to react with other substances so that it releases energy as heat energy or to be used for work.
text: Nuclear fuel is a material that can be 'burned' by nuclear fission or fusion to derive nuclear energy.
text: Nuclear fuel is any material that is consumed to derive nuclear energy.