Assertion: fuel cell's fuel | /r/HasProperty | cheap
Facets:
value: extremely
type: DEGREE
Source sentences:
text: Because sugars and other biofuels can be grown and harvested on a massive scale, the fuel for enzymatic biofuel cells is extremely cheap and can be found in nearly any part of the world, thus making it an extraordinarily attractive option from a logistics standpoint, and even more so for those concerned with the adoption of renewable energy sources.