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The Union Road Transport and Highways Minister has advocated for achieving 100% ethanol blending in India to bolster energy security. This aligns with a recent government notification expanding ethanol use for Sustainable Aviation Fuel. The push highlights the strategic shift from fossil fuels to biofuels, balancing energy needs with environmental and agricultural considerations.
The push for 100% ethanol blending is a crucial step towards reducing India's heavy reliance on imported crude oil, a major drain on foreign exchange reserves. By substituting petrol with domestically produced ethanol, India can improve its balance of payments and enhance energy security (ensuring uninterrupted availability of energy sources at an affordable price). The Ethanol Blended Petrol (EBP) Programme directly links agriculture to the energy sector, potentially increasing farmers' incomes by creating a new market for surplus crops like sugarcane, maize, and damaged food grains. However, the economic viability depends on managing the lower energy density of ethanol compared to petrol, which implies higher volume requirements for the same energy output, necessitating engine modifications and infrastructure upgrades. UPSC often focuses on the macroeconomic impact of energy policies and their interplay with agricultural economics.
Ethanol blending is central to India's strategy for mitigating climate change and meeting its commitments under the Paris Agreement. Ethanol burns cleaner than fossil fuels, reducing emissions of carbon monoxide, hydrocarbons, and particulate matter. The recent notification extending ethanol use to Sustainable Aviation Fuel (SAF) signifies a broader push to decarbonize hard-to-abate sectors like aviation. Furthermore, utilizing agricultural residue and surplus crops for ethanol production can help address the issue of stubble burning (a major contributor to air pollution in northern India). The National Policy on Biofuels 2018 promotes the use of advanced biofuels (2G and 3G), which utilize non-food biomass, addressing concerns about food security. Aspirants should analyze the environmental trade-offs, such as the water footprint of sugarcane cultivation, a primary feedstock for ethanol in India.
The success of the ethanol blending program is intrinsically linked to India's agricultural geography and resource distribution. The production of ethanol relies heavily on specific crops, primarily sugarcane, which is concentrated in states like Uttar Pradesh, Maharashtra, and Karnataka. This geographical concentration can lead to disparities in the benefits of the program. To mitigate this and ensure a pan-India supply chain, the government is encouraging ethanol production from diverse feedstocks, including maize and rice from the Food Corporation of India (FCI) stocks. Understanding the agro-climatic zones and the water requirements of different feedstocks is crucial. The reliance on water-intensive crops like sugarcane in regions prone to water scarcity raises concerns about sustainable agriculture. UPSC questions may explore the spatial dynamics of biofuel production and its impact on regional development and resource sustainability.