Ethanol Blending in India: Policy Evolution, Key Milestones and Frequently Raised Concerns
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500+ questions on Environment with explanations
📌 Summary:
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PIB backgrounder on the Ethanol Blended Petrol (EBP) Programme — a pillar of India's energy transition and biofuel strategy aiming at energy security, farmer support and lower environmental impact
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Blending rose from <1.5% (2013-14) to 20% (2025-26) — the 20% target was achieved 5 years ahead of schedule; procurement rose from ~38 crore litres (ESY 2013-14) to 1,200+ crore litres projected (2025-26); capacity expanded ~5x from 421 crore litres (2014) to ~2,000 crore litres (2026)
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Rationale: India imports ~88.5% of the crude oil it consumes — ethanol from domestic sugarcane, maize and rice blunts exposure to price swings and supply shocks
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Cumulative gains since ESY 2014-15: ₹1.90+ lakh crore foreign exchange saved; 310+ lakh MT crude oil substituted; ~930 lakh MT CO2 emissions cut; ₹1.60+ lakh crore additional farmer earnings
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Myth-busting: E20 does NOT cut mileage 30% (figure refers to ethanol's lower calorific value only); no widespread engine-failure pattern (E20 cleared after SIAM/ARAI/IOCL testing); ethanol is high-octane (RON ~108.5 vs 84.4 for petrol; E20 raises octane to ~95); no impact on insurance/warranty validity (SIAM confirmation)
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On costs: NITI Aayog report cited by critics is from 2020-21; ethanol procurement now costs more than refined petrol, but the mandate continues for energy-security, environmental and farm-income gains
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On water: ethanol plants use only 3–5 litres of processed water per litre with Zero Liquid Discharge systems; only surplus rice permitted by DFPD (after food security needs) is diverted; Attorney General's office clarified (30.06.2026) that the "E20 is an experiment" claim before the Supreme Court is incorrect
🎯 UPSC Relevance: GS3 Environment/Economy — biofuels, energy security, renewable energy policy; frequently asked in both Prelims and Mains (EBP, E20, energy transition)
📝 Prelims Facts:
- 20% ethanol blending achieved in ESY 2025-26, five years ahead of the 2030 target
- India imports ~88.5% of its crude oil
- Ethanol RON ≈ 108.5 vs petrol 84.4
- Forex saved: ₹1.90+ lakh crore; CO2 cut: ~930 lakh MT; farmer earnings: ₹1.60+ lakh crore
🔑 Key Term: EBP Programme — Ethanol Blended Petrol programme mandating ethanol-petrol blending (E20 = 20% ethanol) to cut crude imports and emissions
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