Been a year since I was in Brazil, then the price of E85 or whatever the max is, was significantly lower than E20. Never saw anyone gassing up with anything but “alcol”.
I would suppose Brazil’s new found offshore oil has them reconsidering ethanol to some degree.
Overview data for Brazil, Total Oil Production
http://www.eia.gov/countries/country-data.cfm?fips=BR#pet
Brazil, Oil and Other Liquids, Ethanol
http://www.eia.gov/countries/cab.cfm?fips=BR
These together are almost entirely used domestically, but there is plans for greater export. They are building refineries optimized to produce low sulfur diesel for export to Europe (and US if we need it).