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Karnataka Minister Flags Excessive Ethanol Blending in Petrol Supplies

A Karnataka minister has raised concerns about fuel quality, alleging that petrol supplied by major oil companies contains ethanol blends significantly higher than permissible limits. The claims have prompted calls for regulatory action against the suppliers.

LSN India · 6 November 2026

Karnataka Minister Flags Excessive Ethanol Blending in Petrol Supplies

Karnataka Minister Rizwan Arshad has alleged that petrol samples collected from the market contained ethanol blends far exceeding permitted thresholds, with some samples showing concentrations above 30 per cent. The minister's concerns centre on supplies from major oil firms operating across the state, with test results reportedly indicating blends surpassing the 20 per cent benchmark in multiple instances.

The allegations raise questions about fuel quality standards and compliance with regulatory norms in the automotive fuel sector. India's fuel specifications typically permit ethanol blending at defined levels to balance environmental and performance considerations, though exact permissible limits vary by fuel grade and regulatory framework.

Arshad has sought action against the oil companies involved, signalling the state's intention to examine the matter seriously. The claims, if substantiated, could trigger investigations by relevant authorities and potentially lead to penalties for non-compliance with established fuel quality standards.

The matter underscores ongoing concerns about fuel quality monitoring across Indian states and the need for rigorous testing protocols at distribution points. Officials have not yet issued formal responses to the allegations, though such charges typically prompt rapid examination by petroleum regulators and state authorities.