Assertion: hydrogen's energy | /r/CapableOf | produce hydrogen
Facets:
Source sentences:
text: The Business Insider, in 2013 commented that if the energy to produce hydrogen "does not come from renewable sources, then fuel-cell cars are not as clean as they seem. ...
text: The energy needed to produce enough hydrogen to power a car can cause pollution.
text: Sunlight can directly or indirectly provide the energy to produce hydrogen.