Assertion: motor oil | /r/CapableOf | use base oils
Facets:
value: with up to 20%
type: OTHER
Source sentences:
text: Motor oils today are blended using base oils composed of petroleum-based hydrocarbons, polyalphaolefins (PAO), or their mixtures in various proportions, sometimes with up to 20% by weight of esters for better dissolution of additives.