Every claim, traced back
Sources & references
48+ sources across six areas of research — government data, industry disclosures, court filings, financial press, and independent reporting. Every figure used on this site links back to one of these.
Global research & India’s rollout
- 01US DOE — Fact #588: Fuel Economy Changes Due to Ethanol Content
- 02ORNL/TM-2007/37 — Technical Issues Associated with Intermediate Ethanol Blends
- 03NREL — Review and Evaluation of Studies on E15/E20 in Light-Duty Vehicles
- 04Minnesota Center for Automotive Research — E20 Feasibility Study Executive Summary
- 05Orbital Engine Co. — Market Barriers to the Uptake of Biofuels Study (Australia)
- 06Flexible-fuel vehicles in Brazil — Wikipedia
- 07Thairath — Which Vehicles Can Use E20 Fuel and Which May Encounter Problems?
- 08NITI Aayog — Roadmap for Ethanol Blending in India 2020-25
- 09Deccan Herald — E20 rollout row: govt has no plan to go back to E0
- 10BusinessToday — NITI Aayog’s 2021 roadmap had flagged mileage, compatibility issues with E20
Citizen cost, taxation & fuel pricing
- 01PRS India — Petrol and Diesel Prices
- 02ORF — Who takes what share of petrol and diesel prices in India
- 03Prism News — India waives excise duty on higher ethanol-blended petrol
- 04PressReader/Hindustan Times — Unblended petrol, diesel to cost ₹2/litre more from Oct 1
- 05Business Standard — E20 fuel hits mileage of older petrol vehicles; 8 in 10 report drop
- 06Business Standard — 6 in 10 new petrol car owners report over 10% drop in mileage
- 07Vibes of India — Mechanics Complain Of Clogged Injectors, Corroded Fuel Lines Due To E20
- 08Autocar India — E20 could damage rubber parts in fuel-systems of E10 vehicles: ARAI
- 09Autozilla — GST changes 2025: car spare parts now at 18% GST rate
- 10The Reporters' Collective — Indian motorists paid Rs 88,234 crore extra to fuel the ethanol experiment
Food security, farmers & who benefits
- 01BusinessToday — Centre says surplus FCI rice diverted for ethanol only after meeting food security needs
- 02IDEAS For India — Why India’s plan to sell rice for ethanol undermines food and water security
- 03Rau's IAS — Ethanol production from Maize: Fuel vs Feed debate
- 04Context by TRF — India’s biofuel drive pecks at chicken farmer profits
- 05Down To Earth — India’s Maize Dilemma: Ethanol Production Sparks Import Surge
- 06Swarajya — Unintended Consequences: Ethanol-Blended Fuel May Be Saving Forex, But It’s Quietly Denting Food Security
- 07Business Standard — Sugar stocks in sweet spot; surge 20% on hike in ethanol price
- 08Cartoq — Gadkari’s Son’s Ethanol Company Hits 1.1 Billion US Dollars
- 09The Wire — Emperor’s Experiment and Guinea Pig Public: The E20 Petrol Policy
- 10Tribune India — India achieves 20% ethanol blending in petrol five years ahead of schedule
Contamination & infrastructure
- 01Autocar India — E20 fuel contamination linked to rise in engine issue
- 02NewsDrum — Crux: Did India roll out E20 before petrol pump infrastructure was ready?
- 03Outlook India — E20 Fuel: Petrol Pump Owners Flag Moisture Contamination Concerns
- 04Autocar India — Mercedes-Benz India flags fuel adulteration concerns amid E20 rollout
- 05Autocar India — Consumer court directs Maruti Grand Vitara replacement over E20 fuel dispute
- 06Substack (Vaibhav Tambade) — I Mapped India's Entire Ethanol Blending Value Chain
- 07ResearchGate — Stress Corrosion Cracking in Fuel Ethanol: A Newly Recognized Phenomenon
Constitutional rights & litigation
- 01LawBeat — Ethanol Blended Petrol: Supreme Court refuses PIL against Centre’s E20 policy
- 02India Legal — PIL in Supreme Court challenges E20 petrol mandate
- 03LawBeat — PIL In Supreme Court Seeks Mandatory E20 Fuel Disclosure At Petrol Pumps
- 04ESG News.earth — Supreme Court PIL Seeks Ethanol Disclosure Safeguards
- 05Barristery — Supreme Court Orders Status Quo on Ethanol Allocation 2026
- 06Deccan Herald — SC throws out PIL against Centre allowing 20% ethanol blended petrol
Solutions & international comparisons
- 01Mongabay India — What India’s ethanol push can learn from Brazil’s long ethanol journey
- 02BusinessToday — Can flex fuel cut your petrol bill? What the Brazil model shows us
- 03Down To Earth — India’s green push for second-generation bioethanol
- 04Advancebiofuel — Second-Generation Biofuels in India: What’s Beyond Ethanol?
- 05Edhas Biofuel — What is 2G Ethanol (Second-Generation Biofuel)?