Assertion: buggy's engine | /r/CapableOf | use gas mixtures
Facets:
Source sentences:
text: Early attempts at making and using internal combustion engines were hampered by the lack of suitable fuels, particularly liquids, therefore the earliest engines used gas mixtures.
text: Early attempts at making and using internal combustion engines were hampered by the lack of suitable fuels, particularly liquids, therefore the earliest engines used gas mixtures.