THIS WEEK IN PETROLEUM Understanding Gasoline Inventories With the dramatic drop in total gasoline inventories over the last few weeks (see Figure 4 in the Weekly Petroleum Status Report (WPSR) or put your mouse on the word “Gasoline” in the stock chart to the left of this report), some analysts may be wondering if EIA is picking up all gasoline inventories during this transition from Methyl Tertiary Butyl Ether (MTBE) reformulated gasoline (RFG) to ethanol RFG, since ethanol is not blended into the gasoline mixture until just before the gasoline gets shipped to the retail stations. Other analysts wonder if...