Retail, at the pump prices, including US subsidies, Federal and state motor taxes, B2/B5 prices for low-level Biodiesel (B2-B5) are lower than petroleum diesel by about 12 cents, and B20 blends are the same per unit of volume as petrodiesel. Due to the 1/3 lower energy content of ethanol fuel, even the heavily-subsidized net cost to drive a specific distance in flexible-fuel vehicles is higher than current gasoline prices. __