Assertion: titanium dioxide's percent | /r/MadeOf | up of 10 percent ethanol
Facets:
value: to oxygenate the fuel
type: PURPOSE
Source sentences:
text: More than 97 percent of U.S. gasoline contains ethanol, typically in a mixture called E10, made up of 10 percent ethanol and 90 percent gasoline, to oxygenate the fuel and reduce air pollution.