The concept of E20 Fuel is a key component of India's energy security and environmental strategy, defined as a blend of 20% ethanol and 80% petrol (gasoline). It is a type of biofuel, where the ethanol is a renewable fuel derived primarily from agricultural feedstocks like sugarcane and grains.
The origin of the policy is the Ethanol Blended Petrol (EBP) Programme, which began in 2003. The core problem it solves is India's heavy dependence on imported crude oil, which was 185 million tonnes at a cost of US $551 billion in 2020-21. The E20 blend is projected to save the country approximately $4 billion (₹30,000 crore) annually in foreign exchange. Furthermore, ethanol is a less polluting fuel, contributing to lower greenhouse gas emissions.
The mechanism is governed by the National Policy on Biofuels, which was amended in 2022 to formally advance the target of achieving 20% ethanol blending in petrol from 2030 to the Ethanol Supply Year (ESY) 2025-26. The Ministry of Road Transport and Highways (MoRT&H) notified GSR 156(E) on March 8, 2021, for the adoption of E20 fuel as an automotive fuel and issued mass emission standards for it. The government achieved the E20 target in 2025, five years ahead of the original deadline.
E20 Fuel connects directly to the broader EBP Programme and the National Policy on Biofuels, 2018. It is also linked to the Bureau of Indian Standards (BIS), which sets the standards for E5, E10, and E20 blends. The policy is supported by measures like the Ethanol Interest Subvention Scheme (EISS) and the reduction of GST on ethanol for blending to 5%.
The most significant recent change is the advancement of the blending target from 2030 to 2025-26. Following this, E20 became the mandatory standard across petrol stations last year. While the government has reaffirmed the safety of E20, it has ruled out any immediate move beyond E20. Vehicles manufactured from April 2025 onwards are fully E20-compliant, though older vehicles may experience a slight reduction in fuel efficiency.