Though summer driving season is already in the rearview mirror, gasoline differentials in the US Midwest and West Coast apparently haven't gotten the memo. A flurry of planned and unplanned refinery outages in both regions have pressured already-tight supply dynamics as the rest of the world scrambles to secure gasoline supply. S&P Global Commodity Insights gasoline reporter Anna Trier speaks with Debnil Chowdhury, Americas Head of Refining and Marketing at SPGCI, about how refinery issues catapulted Chicago gasoline differentials to all-time highs and what relief, if any, is on the horizon for Midwest production.