Ethanol in the U.S. has hit the blend wall of 10 percent. The corn ethanol category alone, which is capped at 13.8 billion gallons, exceeds the 2013 10 percent blend wall of about 13.4 billion gallons. That does not leave room for the advanced ethanol categories, unless they start to squeeze out conventional corn starch ethanol.News from Brazil indicates that Brazilians who drive flex-fuel cars are starting to switch from fillling up with gasoline to cane ethanol after prices for the biofuel fell over the past month. However, in the available U.S. data on the price of E85, production and consumption suggest that E85 consumption has not expanded by a meaningful amount so far in 2013.Because of the drought's impact on corn production in 201...