… fuel, either in gasoline blends or as pure ethanol. With all these positive indications, in 2009 and in 2012 PEMEX introduced two tender offers requesting supplier bids to provide … fuel, either in gasoline blends or as pure ethanol. With all these positive indications, in 2009 and in 2012 PEMEX introduced two tender offers requesting supplier bids to provide … fuel, either in gasoline blends or as pure ethanol. With all these positive indications, in 2009 and in 2012 PEMEX introduced two tender offers requesting supplier bids to provide …