India notifies standards for petrol with up to 30% ethanol amid energy crisis

The Bureau of Indian Standards (BIS) has notified fuel specifications for petrol blended with up to 30% ethanol, establishing standard IS 19850:2026, which c...

What Happened

The Bureau of Indian Standards (BIS) has notified fuel specifications for petrol blended with up to 30% ethanol, establishing standard IS 19850:2026, which covers E22, E25, E27, and E30 blends.
The government notification, dated May 15, 2026, sets out technical parameters — including calorific value, volatility, corrosion inhibitors, and water tolerance — for each blend, enabling vehicle and fuel industry alignment.
The BIS notification does not immediately mandate E30 fuel sales; it establishes the technical standards required before higher blends can be introduced commercially and cleared by automotive manufacturers.
The move comes as India is finalising nationwide rollout of E20 (20% ethanol) fuel — an achievement arrived at by advancing the original 2030 target to ESY 2025–26 through an amendment to the National Policy on Biofuels, 2018.
Industry bodies including the All India Distillers' Association (AIDA) have welcomed the notification and have advocated for a clear roadmap to E85 and E100 blends in the medium term.
The national ethanol blending level reached approximately 17.98% in ESY 2024–25, reflecting accelerating progress toward and beyond E20.

Static Topic Bridges

National Policy on Biofuels, 2018 (and 2022 Amendment)

The National Policy on Biofuels, notified in 2018, set an indicative target of 20% ethanol blending in petrol (E20) by 2030 and 5% biodiesel blending in diesel. The policy also expanded permissible feedstocks for ethanol production to include surplus food grains, damaged rice, maize, and sugarcane derivatives beyond molasses.

The 2022 amendment to the policy advanced the E20 target from 2030 to Ethanol Supply Year (ESY) 2025–26, responding to faster-than-expected progress and surplus ethanol availability.
Feedstocks permitted under the policy include sugarcane juice and syrup, B-heavy molasses, C-heavy molasses, maize, food grains declared surplus by the National Biofuel Coordination Committee, and agricultural residues.
The policy categorises biofuels into three generations: 1G (food crop-based), 2G (lignocellulosic/agricultural residue), and 3G (algae-based), with the aim of moving progressively toward 2G and 3G.
The National Biofuel Coordination Committee (NBCC), chaired by the Cabinet Secretary, oversees implementation and can approve additional feedstocks during surplus periods.

Connection to this news: The E30 BIS standard is the logical next step following the 2022 amendment's acceleration of the E20 target; it signals that the government is laying technical groundwork for a post-E20 blending trajectory aligned with the long-term goal of E30 by 2030.

Ethanol Blending Programme (EBP) and Blending Progress

India's Ethanol Blending Programme, administered by the Ministry of Petroleum and Natural Gas through Oil Marketing Companies (OMCs), has progressively increased the share of domestic ethanol in petrol over the past decade.

Blending milestones: 10% blending achieved in June 2022 (five months ahead of schedule); 12.06% in ESY 2022–23; 14.60% in ESY 2023–24; 17.98% in ESY 2024–25.
The programme procures ethanol from domestic distilleries at government-notified prices, providing price certainty to sugar mills and grain-based ethanol producers.
At E20 blending across all petrol sales, India saves approximately 4 billion litres of petrol equivalent annually, reducing crude oil imports and associated foreign exchange outgo.
The blending programme also helps sugar mills monetise surplus sugar as ethanol, acting as a price-stabilisation mechanism for the agriculture sector.

Connection to this news: The EBP's demonstrated ability to scale from sub-5% blending to near-E20 in under a decade provides the operational confidence that underpins the BIS notification of higher blend standards up to E30.

Bureau of Indian Standards (BIS) and Fuel Standards

The Bureau of Indian Standards, established under the BIS Act, 2016, is India's national standards body responsible for formulating, promoting, and maintaining standards across sectors including food, energy, construction, and manufacturing.

BIS fuel standards for petrol and diesel are developed in consultation with automotive manufacturers, fuel industry bodies, the Petroleum Conservation Research Association (PCRA), and regulatory agencies.
The IS 2796 standard governs conventional motor gasoline; the new IS 19850:2026 covers higher ethanol-blend fuels (E22–E30).
Establishing BIS standards is a prerequisite for vehicle manufacturers to validate engine and fuel system compatibility, which is necessary before any blend can be commercially introduced or mandated.
India's Bharat Stage VI (BS-VI) emission norms, in effect since April 2020, align with Euro-6 standards; higher ethanol blends are expected to be compatible with BS-VI engine technology with material adjustments to fuel systems.

Connection to this news: BIS standardisation converts a policy aspiration into an engineering reality — automakers and fuel companies can now begin compatibility testing and adaptation work for E30 vehicles and dispensing infrastructure.

Environmental and Economic Significance of Higher Ethanol Blends

Ethanol, when blended with petrol, acts as an oxygenate — it improves combustion efficiency and reduces emissions of carbon monoxide (CO), hydrocarbons (HC), and particulate matter. Ethanol-blended fuels have a lower lifecycle carbon footprint than pure petrol when the ethanol is produced from biomass that absorbs atmospheric CO₂ during growth.

E20 blending reduces CO emissions by approximately 50% and hydrocarbons by 30% compared to pure petrol under certain conditions.
Each percentage-point increase in ethanol blending reduces India's crude oil import bill; at E20, savings are estimated at over ₹30,000 crore annually in foreign exchange.
Higher blends (E25–E30) require flex-fuel engine technology or modified fuel systems to prevent corrosion of rubber seals, elastomers, and certain metal components.
India's sugar sector is the largest domestic source of ethanol (via C-molasses and B-molasses); grain-based ethanol (rice, maize) increasingly supplements supply.

Connection to this news: The E30 BIS standard operationalises India's dual ambition of reducing import dependence and cutting transport-sector emissions through a domestically produced, agriculturally sourced fuel supplement.

Key Facts & Data

BIS Standard notified: IS 19850:2026 (E22, E25, E27, E30 blends), dated May 15, 2026.
National Policy on Biofuels: first notified 2018; amended 2022 to advance E20 target to ESY 2025–26.
Ethanol blending level in ESY 2024–25: approximately 17.98%.
E20 blending target year (original): 2030; accelerated to: ESY 2025–26.
Projected annual savings at E20: approximately ₹30,000 crore in crude oil import costs.
India's ethanol production capacity (2025–26): over 1,000 crore litres, of which approximately 700 crore litres are diverted to fuel blending.
AIDA (All India Distillers' Association) has called for a roadmap to E85 and E100 for flex-fuel vehicles.
BIS Act governing standards body: BIS Act, 2016 (replaced BIS Act, 1986).