Herald-Government has gazetted regulations making it mandatory for all licensed oil companies to sell petrol blended with a minimum of 5 percent of locally-produced ethanol. According to Statutory Instrument 17 of 2013 published on Tuesday, E5 to be produced by licensed ethanol blenders will be introduced throughout Zimbabwe. The Petroleum (Mandatory Blending of Anhydrous Ethanol with Unleaded Petrol) Regulations were gazetted by Energy and Power Development Minister Elton Mangoma. Asked when the regulations come into effect, Mangoma said it all depended on when the Chisumbanje Ethanol Project or any other ethanol producing company becomes compliant.