Assertion: fuel cell's fuel | /r/HasProperty | liquid
Facets:
value: typically
type: DEGREE
Source sentences:
text: The fuels that are easiest to burn cleanly are typically liquids and gases.
text: Power is made from fuel in a tank, but the fuel is hydrogen instead of liquid gasoline or diesel.
text: Fossil fuels are hydrocarbons, primarily coal and petroleum (liquid petroleum or natural gas), formed from the fossilized remains of ancient plants and animals by exposure to high heat and pressure in the absence of oxygen in the Earth's crust over hundreds of millions of years.