Automakers are urging the government to create an independent body for testing petrol quality at fuel stations. This demand follows rising engine issues attributed to contaminated E20 fuel, which contains 20% ethanol. The industry reports that lack of infrastructure upgrades and fuel adulteration are leading to water absorption and corrosion in vehicle fuel systems.
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The Indian automobile industry has stepped up pressure on the Oil Ministry to create an independent framework for testing fuel quality at retail petrol pumps. This move comes as manufacturers face a growing number of consumer complaints regarding vehicle breakdowns, which have been linked to contaminated fuel dispensed at pumps nationwide.
The Impact of Ethanol Blending
Under the government’s E20 program, petrol now contains 20% ethanol, a significant increase from previous years. While automakers have manufactured vehicles compatible with E20 fuel since April 2023, the industry points out that the quality of the fuel actually reaching the vehicle is often below standard. Investigations by manufacturers have frequently detected elevated levels of moisture and chloride in petrol samples, which are not permitted under Bureau of Indian Standards (BIS) norms. When these contaminants are present in E20 fuel, they can lead to engine performance issues and, in some cases, total vehicle failure.
Infrastructure and Technical Challenges
The industry identifies major infrastructure gaps as the primary reason for these contamination issues. Ethanol is hygroscopic, meaning it easily absorbs water from the environment. Much of the existing fuel storage infrastructure, including underground steel tanks and transport pipelines, was designed for conventional petrol. Without upgrades, these systems are prone to corrosion when storing higher ethanol blends. Furthermore, when the water content in an E20-filled tank exceeds 0.5%, the ethanol and water can separate from the petrol, causing the vehicle to pull a water-rich mixture directly from the storage tank.
Demand for Independent Certification
Currently, quality checks are primarily handled by Oil Marketing Companies (OMCs), which the industry argues creates a conflict of interest. Automakers are now pushing for an independent agency, such as the Bureau of Indian Standards (BIS), to monitor fuel quality and certify the standards at pumps. This change, they argue, would provide an objective way to ensure that fuel dispensed meets strict purity levels, prohibiting the presence of unauthorized detergents, silicon, or chlorine-based additives.
For investors, the outcome of this demand is a key monitorable. While the move toward E20 is a national policy goal, the risk of reputational damage and warranty claims due to poor fuel quality remains a concern for auto manufacturers. Investors may track future announcements from the Oil Ministry regarding testing infrastructure upgrades, as these would be necessary to ensure the long-term success and consumer acceptance of E20-compliant vehicles.