Some U.S. refiners report lower-than-market gasoline profit margins in the summer, which are often attributed to summer volatility specifications. But that is not always the primary issue; rather, some refiners have trouble generating enough octane-barrels due to the strong demand during the summer months, which can help drive price spikes. In today’s RBN blog we explain why, with a focus on octane, the primary yardstick of gasoline performance, quality and price, and show how refiners use a PIANO analysis to optimize their production.