Assertion: fuel's % ethanol | /r/HasProperty | 90% gasoline
Facets:
Source sentences:
text: More than 98% of U.S. gasoline contains ethanol, typically E10 (10% ethanol, 90% gasoline), to oxygenate the fuel, which reduces air pollution.
text: It is blended with gasoline (10% ethanol, 90% gasoline) to produce E10.