 Patil has a bio energy vision, he urged the state governments to start mixing ethanol with gasoline in an attempt to protect the nation's petroleum reserve.Due to Patil's efforts, the Karnataka government has started the process of blending ethanol with petrol, states like Gujarat, Madhya Pradesh, Punjab, Maharashtra and Chhattisgarh were also soon to follow the suit.According to Patil's view, adding the 20% blending of ethanol with petrol not only adds tremendously to the petroleum preserve of the nation, it also contributed substantially to clean air in the environment.