The final hurdle to allow sales of 15% ethanol for 2001 and newer model year vehicles was cleared on June 15, but so far only two stations in Kansas have been able to commercially sell the fuel. That should change as summer comes to a close, according to Renewable Fuels Association Director of Market Development Robert White who explains in this edition of “The Ethanol Report” that September 15 marks the end of EPA’s summer volatility restriction that has hindered retail sales of E15.