Assertion: fuel cell's emission | /r/HasProperty | water vapor
Facets:
value: in terms of tailpipe emissions
type: OTHER
Source sentences:
text: When hydrogen fuel cells are being used to generate power, the only emissions they produce are water vapor.
text: The only emissions from a fuel cell are water vapour and heat.
text: only emissions were water vapor, you'd do it in a heartbeat, right?
text: In terms of tailpipe emissions definitely 'yes', as the only emission from a hydrogen fuel cell car is water vapour.