Highlights They can choose either petrol or ethanol. Need to make ethanol using food grain. New Delhi: Union Minister for Road Transport Nitin Gadkari said that the transport ministry is working on a Flexi Engine option plan, which will allow commuters choose their preferred fuel option. The transport minister said that in the coming days, consumers can choose either petrol or ethanol to run their cars. Nitin Gadkari also highlighted the need to make ethanol using food grain, adding that sugarcane has a lot of potential in the making of ethanol. In September this year, Gadkari had promised all support to the automobile industry. He encouraged automakers to introduce flex-fuel engines in India on a large scale to promote alternative fuel in alignment with the government's 'Aatmanirbhar Bharat' drive.