This legislation aims to amend the Clean Air Act to support small refining companies by easing their regulatory burdens and enhancing the availability of ethanol blends in fuel. The primary objectives are to allow year-round sales of E15 fuel, which contains 15% ethanol, and to reform the Renewable Fuel Standard (RFS) requirements specifically for small refineries. Key provisions include changes to the handling of ethanol waivers, enabling a wider range of fuel blends to be sold without vapor pressure limitations.