BPCL clarifies E20 petrol quality after viral photo sparks concerns in Karnataka
Synopsis
Key Takeaways
Bharat Petroleum Corporation Limited (BPCL) on Friday, 13 November 2026, issued a formal clarification addressing circulating social media posts and reports that questioned the ethanol content of E20 petrol sold at its retail outlets, following a consumer awareness demonstration gone partially viral in Karnataka. The oil major assured customers that all E20 fuel supplied through its Energy Stations meets the standards prescribed by the Bureau of Indian Standards (BIS) under specification IS 17021.
What Triggered the Controversy
The issue originated from a photograph shared during one of BPCL's own consumer awareness drives, in which company officers conducted ethanol separation tests at Energy Stations across Karnataka. The image, reportedly captured and shared before the test was complete, showed the mixture in an intermediate — hazy or milky — state, prompting concern among consumers and social media users who interpreted it as evidence of fuel adulteration or non-compliance.
BPCL clarified that the visual effect is a normal, expected part of the test procedure. 'The mixture initially appears hazy or milky, which is normal during the process. It takes time for the ethanol-water and petrol layers to separate completely,' the company said in a statement.
How the Ethanol Separation Test Works
According to BPCL, the standard test involves mixing 100 ml of E20 Ethanol Blended Motor Spirit (EBMS) with 30 ml of water. The water draws out the ethanol from the petrol blend, and over time the mixture separates into two distinct layers — one ethanol-water and one petrol. The process requires time to reach a readable final state, and photographs taken mid-process can be misleading.
In the specific instance under scrutiny, BPCL acknowledged that the photograph was 'inadvertently captured and shared before the separation process was complete.' The officer involved recognised the error and removed the post promptly to prevent misinterpretation. The sample from that test was subsequently confirmed to be within prescribed specifications.
Nationwide Quality Monitoring Data
BPCL also pointed to a broader, ongoing quality monitoring exercise conducted by Oil Marketing Companies (OMCs) in coordination with the Centre for High Technology (CHT). The exercise has so far covered 893 E20 samples drawn from 27 States and Union Territories across India.
According to BPCL, all 893 samples were found within the prescribed ethanol content range of 19–21 per cent. Of these, 280 samples were tested by BPCL itself, all of which reportedly adhered to the mandated quality standards. The data, the company said, reaffirms the integrity of its E20 supply chain.
BPCL's Commitment to Transparency
The clarification is part of BPCL's wider consumer education initiative around E20 petrol, India's higher-ethanol-blend fuel introduced under the government's ethanol blending programme aimed at reducing fossil fuel dependency and cutting import costs. The company stated it remains committed to 'maintaining fuel quality, transparency and consumer confidence.'
This incident highlights a recurring challenge in public communication around technical fuel quality demonstrations: preliminary or partial imagery shared on social media can rapidly generate misinformation before an authoritative explanation is available. As E20 rollout expands nationally, such disputes over fuel quality are likely to recur, making proactive consumer outreach critical for oil companies.