Notes: Ethanol railcar prices are from Platts Oilgram, and are average prices for prompt Southern California shipments minus a 51 c/gal federal excise tax credit. California alkylate prices are also calculated from Platts Oilgram and include a 20 c/gal transportation & distribution cost from Gulf Coast to California. Spot wholesale prices for regular-grade California reformulated gasoline blendstock for oxygenate blending (CARBOB) are from Oil Price Information Service. Data from 10/30/06 to 4/30/08. CEC/FFO, May 5th, 2008.

Source: Platts, Source of energy industry information and services.
http://www.platts.com/