what percent of ethanol is in sunoco gas
And then thereâs NASCAR. Sunoco has been the official fuel of NASCAR since 2004, supplying a 98-octane unleaded racing gasoline. Beginning next year, the cars will be fueled with Sunoco E15, a blend of 85 percent gasoline and 15 percent ethanol. Gasoline motorists pump into their vehicles at Sunoco stations is a 90 percent gas-10 percent ethanol blend. âSunoco Green E15 is good for racing, good for the environment and good for America,â Brian France, chairman and chief executive officer of NASCAR, said in a news release.
1 Sunoco fuels do not contain methanol. 2  As stipulated by most automobile manufacturers, Sunoco fuels contain no more than 10% ethanol.  Sunoco fuels do not contain MMT, a manganese-based fuel additive banned by the EPA in certain types of fuels.