August 29 (SeeNews) - Bulgarian fuel retailer Petrol [BUL:5PET] said on Wednesday that it turned to a consolidated net profit of 55.2 million levs ($32.9 million/28.2 million euro) in the first half of the year from a net loss to 8 million levs in the same period of 2017, following the sale of its unit Elit Petrol.