; Decision of the Administrator , 75 Fed. Reg. 68094 (November 4, 2010). (2) The waiver entitled, Partial Grant of Clean Air Act Waiver Application Submitted by Growth Energy To Increase the Allowable Ethanol Content of Gasoline to 15 Percent; Decision of the Administrator , 76 Fed. Reg. 4662 (January 26, 2011). 203. Misfueling rule The portions of the rule entitled, Regulation to Mitigate the Misfueling of Vehicles and Engines with Gasoline Containing Greater Than Ten Volume Percent Ethanol and Modifications to the Reformulated and Conventional Gasoline Programs , 76 Fed. Reg. 44406 (July 25, 2011) to mitigate misfueling shall have no force and effect beginning 60 days after the date of enactment of this Act.