India's E20 petrol programme received a fresh public endorsement on Saturday as senior representatives from the petroleum, automobile and engineering sectors said the 20% ethanol-blended fuel had been introduced only after testing and field evaluation.
The central message from the panel was direct: industry representatives said E20 should not be seen as an untested switch. They described the rollout as a measured, science-led transition and said vehicle owners do not need to treat the fuel as a cause for alarm.
What automakers told the briefing
Vikram Gulati, Country Head and Executive Vice President at Toyota Kirloskar Motor, said the auto industry works under a highly regulated testing and certification framework. According to the PIB release, he said the move to E20 came after older vehicles were tested and that higher ethanol blends such as E85 are meant only for flex-fuel vehicles.
Rahul Bharti, Senior Executive Officer, Corporate Affairs at Maruti Suzuki, gave what the briefing described as a statement of confidence to customers. He said vehicles designed for E10 had been tested with E20 across parameters and that no area of concern had emerged.
Maruti's field-service data was the strongest consumer-facing number in the briefing. Bharti said the company serviced 2.84 crore cars in FY 2025-26, including more than 1.5 crore vehicles that were over three years old and therefore not E20-certified. He said the company found no E20-related cases of corrosion, wear and tear or reduced component life in that service data.
Mileage impact and older vehicles
The briefing also addressed fuel economy, one of the most common questions around E20. Bharti said the calorific value of E20 is lower than E10 by about 3 to 3.5%, which means a car returning 20 km per litre could see an impact of roughly 0.6 km per litre.
He argued that tyre pressure, maintenance, driving style, gear usage, acceleration and braking usually create larger variation in real-world mileage. The panel also said ethanol can support better acceleration, improved anti-knocking performance and lower pollution compared with pure petrol.
The speakers clarified that retrofitment kits are not currently being offered in the market for ordinary consumers. Such work, they said, remains in research and development rather than retail deployment.
Standards, testing and public trust
Vartika Shukla, former Chairman and Managing Director of Engineers India Limited, said the ethanol-blending programme was built through stakeholder consultation and backed by scientific evidence and testing by vehicle manufacturers. The release said E20 conforms to BIS standards and BS-VI emission norms, and is now available uniformly across retail outlets.
Ashutosh Varma, Chief Business Officer at Hero MotoCorp, said the two-wheeler maker had reviewed extensive service data and found no higher incidence of damage in vehicles using E20 compared with earlier fuels.
The panel also included representatives from TVS Motor Company, Hyundai Motor India and Bajaj Auto's Urbanite business. Taken together, the briefing was an attempt to move the E20 debate from social-media concern to documented testing, warranty confidence and service-network experience.
For consumers, the practical takeaway is that E20 is now the standard fuel environment across much of the country. The larger policy question is whether the government and oil-marketing companies can keep communicating clearly on mileage, compatibility, warranties and future blends so that the clean-fuel transition does not create avoidable confusion at the pump.
Source:release issued on 04 July 2026 at 8:16 pm by PIB Delhi.
