Karnataka flags dangerously high ethanol levels in petrol samples

A quality control controversy has surfaced in Karnataka following claims that petrol samples collected from various districts contain ethanol concentrations significantly above permissible limits. State authorities alleged that some fuel samples tested contained ethanol levels reaching 31 percent, substantially higher than the E20 specification that allows a maximum of 20 percent ethanol blending in petrol.

The discrepancy raises questions about fuel quality compliance across India's petroleum retail network. E20 fuel was introduced to promote renewable energy integration and reduce India's dependence on crude oil imports, with specifications carefully calibrated to ensure vehicle engine compatibility and performance standards.

The findings have prompted scrutiny of testing and distribution practices at retail outlets. Authorities have indicated concerns about how such elevated ethanol concentrations could affect vehicle performance and engine longevity, particularly in older models not optimized for higher ethanol blends.

The development is expected to trigger investigations into quality assurance mechanisms across fuel supply chains in the state and potentially nationwide. Industry observers note that such incidents could impact consumer confidence in the E20 fuel program and necessitate stricter monitoring protocols at distribution points.