Assertion: fuel cell | /r/HasProperty | clean
Facets:
value: at any size
type: OTHER
value: completely
type: DEGREE
value: as a form of energy
type: MANNER
value: with being electricity
type: OTHER
value: very
type: DEGREE
Source sentences:
text: Fuel cells are very clean, with their only by-products being electricity, a little heat, and water.
text: These fuel cells are completely clean as a form of energy.
text: Because fuel cells are clean and efficient at any size, they can be located almost anywhere, including dense urban areas where both air quality and transmission congestion may be of concern.
text: Fuel cells have the potential to replace the internal combustion engine in vehicles and to provide power in stationary and portable power applications because they are energy-efficient, clean, and fuel-flexible.