Assertion: natural gas's propane | /r/CapableOf | fuel specially-configured cars
Facets:
Source sentences:
text: Propane also fuels some specially-configured cars and trucks, producing 30 percent to 90 percent less carbon monoxide than typical automotive gasoline.
text: Propane also fuels some specially-configured cars and trucks, producing 30% - 90% less carbon monoxide than typical automotive gasoline.