; (ii) disposing of inspected gasoline samples; (iii) performing aircraft maintenance; and (iv) conducting engine run-ups. (D) Efforts to address supply chain and other logistical barriers inhibiting the timely distribution of unleaded aviation gasoline to airports. (E) Outreach efforts to educate and update piston-engine aircraft owners and operators, airport operators, and other members of the general aviation community on the potential benefits, availability, and safety of unleaded aviation gasoline. (2) Publication; guidance Upon completion of developing such transition plan, the Administrator shall— (A) make the plan available to the public on an appropriate website of the FAA