Assertion: hydrogen's energy | /r/HasProperty | produced
Facets:
Source sentences:
text: Only energy and clean water are produced when hydrogen is combined with oxygen in a fuel cell.
text: The basis of the hydrogen economy is that energy is produced when hydrogen combusts with oxygen and the only by-product from the reaction is water.
text: All the energy we use, including hydrogen, must be produced from one of these three primary energy resources.