After E20 Petrol, Centre Plans 15% Isobutanol Blend in Diesel!
The Central government has been focusing on reducing the country's fuel import bill for some time now. As part of this effort, it is exploring various alternatives. India is heavily dependent on imports to meet a large share of its fuel requirements, resulting in significant expenditure of foreign exchange reserves. To reduce this burden, the government is pursuing multiple strategies. One such initiative is the large-scale promotion of electric vehicles across the country. The government is offering various incentives to EV manufacturers to make electric vehicles more affordable for consumers. At the same time, the Centre has introduced E20 petrol across the country over the past few years. Although several concerns have been raised about E20 fuel, the government has consistently dismissed them. Meanwhile, experts from the automobile industry say that the immediate use of E20 petrol is unlikely to cause problems for vehicles. However, many people believe that older vehicles could face issues if they use this fuel. Despite these concerns, the Central government continues to aggressively promote E20 petrol.
Petrol without ethanol is no longer easily available at all fuel stations, leaving consumers with little option other than using E20 petrol. This has triggered widespread discussion across the country. Many vehicle owners are concerned that E20 petrol could reduce fuel efficiency and potentially damage engines. It is also widely believed that major automobile manufacturers are not in a position to publicly oppose the government's decision, regardless of the outcome. E20 petrol is a blend consisting of 20 percent ethanol and 80 percent conventional petrol. The Government of India introduced it in a phased manner to reduce pollution and lower crude oil imports. Even as concerns over E20 petrol continue, the Centre is now preparing to implement a similar policy for diesel. Union Minister for Road Transport and Highways Nitin Gadkari recently made an announcement on the issue. He said the government is preparing to market diesel blended with isobutanol, similar to the way ethanol is blended with petrol.
While ethanol can be directly blended with petrol, it cannot be mixed directly with diesel. Therefore, ethanol will first be converted into isobutanol before being blended with diesel. Gadkari said the government has decided to blend diesel with 15 percent isobutanol. He stated that experimental trials have already been completed and have produced encouraging results. According to him, two generators were successfully operated using 100 percent ethanol and isobutanol, demonstrating that engines capable of running entirely on these fuels can be developed. Several biofuels, including biodiesel, have already been developed as alternatives to conventional diesel. Compared with those fuels, experts say isobutanol is less expensive to produce and delivers higher energy output. They also noted that it can be used in existing diesel engines without requiring major modifications.
Like ethanol, isobutanol can be produced from crops such as maize, rice and sugarcane. It can also be manufactured from ethanol through various chemical processes. Compared with petrol and ethanol, isobutanol has lower flammability but releases more energy. The estimated production cost of isobutanol, similar to ethanol, is expected to range between ₹55 and ₹80 per litre. The proposed changes are expected to trigger widespread debate across the country. At the same time, these policy changes have drawn significant criticism, particularly against the BJP-led Central government. In particular, allegations have been made against the family of Union Minister Nitin Gadkari in connection with the issue. However, the minister has denied these allegations.
