On World Bio Fuel Day, Petroleum Minister Dharmendra Pradhan today launched the four retail outlets of bio fuel blended diesel. Of them, one is in Delhi and other three are in Visakhapatnam, Vijayawada and Haldiya. Mr Pradhan said, it is a path breaking step in India's retail sector. He said, promoting and encouraging Bio-fuels will not only reduce the import of fossil fuel but also save foreign exchange. The Minister said, bio-fuels are renewable, bio-degradable, sustainable and environment friendly.<br/><br/>Petroleum Ministry has permitted direct sale of Bio-Diesel to bulk consumers like Railways, shipping and State Road Transport Corporations. Ethanol blended petrol programme is being promoted, where ethanol blending in petrol is permitted from five to ten per cent depending on the availability of ethanol.