Assertion: fuel cell's fuel | /r/HasProperty | natural gas
Facets:
Source sentences:
text: The hydrogen can either be reformed from fossil fuels (i.e. natural gas, propane, etc) or the unit can be coupled to a renewable energy source and generate hydrogen through electrolysis of water.
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.
text: Most of today's hydrogen is produced from natural gas, which is only an interim solution since it discards 30% of the energy in one valuable but depletable fuel (natural gas) to obtain 70% of another (hydrogen).