"We will come out with a larger policy on ethanol (blending) within a month," Gadkari said here at a conference on sustainability.
The government wants to increase the level of mandatory blending of ethanol with petrol to 10%. The current ceiling of blending is fixed at 5% but availability of ethanol and pricing issues have come in the way of achieving the target.
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Stating that he has already discussed the matter with the Prime Minister, Gadkari said the new policy will seek to address a wider source of ethanol, including bio-wastes, over and above the main source sugar.
In December 2014, the Cabinet had approved usage of non-food feedstocks besides molasses as source of ethanol to be used for blending in fuel.
Stressing on the significance of promoting ethanol blending, the minister said: "One lakh buses can run on alternative fuel in the country. A large number of buses can run on ethanol in Delhi, UP and Bihar.