Sale of 20% ethanol-blended petrol with minimum RON 95 mandated pan-India from April 1

Why in news

The Indian government mandated the sale of petrol with up to 20% ethanol blending and a minimum Research Octane Number (RON) of 95 across India starting April 1, 2026.

Background

The mandate requires a minimum RON of 95 for ethanol-blended petrol. Most vehicles manufactured since 2023 are compatible with E20 blending with minimal impact on engine wear or mileage.

Facts for Prelims

• FactMandated ethanol blending level: up to 20% (E20)
• FactMinimum Research Octane Number (RON) required: 95
• FactImplementation date: April 1, 2026
• FactPrimary feedstock sources: Sugarcane, maize, and agricultural surplus

For Mains

Q. Discuss how the promotion of ethanol blending contributes to India's energy security and rural economy while addressing environmental concerns.

Dimensions to cover in your answer

• Import substitution: Reducing crude oil dependency and improving the current account deficit
• Agrarian linkage: Creating a stable demand floor for sugarcane and maize farmers
• Technical compatibility: Ensuring engine longevity and fuel efficiency for post-2023 vehicle fleets

Keywords: Energy Security · Ethanol Blending · Import Substitution · Decarbonization · Agrarian Economy

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