Oil marketing companies (OMCs) said they found no evidence of fuel adulteration after conducting extensive quality checks amid circulating rumours about the introduction of an ethanol 20 per cent blend (E20). The inspections, undertaken at retail outlets, storage terminals and in-transit consignments, targeted common markers of contamination and deviations from prescribed fuel standards. Laboratory analyses, industry sources reported, indicated that petrol and diesel samples met statutory specifications. Regulatory agencies were informed of the findings and assisted in independent sample collection to strengthen verification, according to officials involved in the exercise. Retail operations continued without disruption while test results were awaited, and distribution networks remained fully operational during the review. No systemic irregularities were identified in storage handling, blending records or transportation procedures. The clarification from OMCs follows a surge of messages on social media that suggested the shift to E20 was associated with reports of widespread mixing and vehicle performance issues, prompting consumer concern. Industry representatives emphasised that blending protocols, quality assurance mechanisms and laboratory standards are in place to prevent unintended contamination during any incremental adoption of higher ethanol content. Fuel suppliers also outlined contingency arrangements to respond swiftly to complaints. Analysts said the prompt communication sought to reassure motorists and preserve market confidence while regulators consider long term standards and compliance frameworks for ethanol blends. Motorists were urged to continue using approved fuel grades and to report any suspected deterioration in fuel quality to local authorities for immediate investigation. OMCs and regulators committed to maintaining enhanced surveillance at critical nodes of the supply chain. Further updates are expected if follow up tests or policy announcements alter the status quo, and companies indicated readiness to share additional data with oversight bodies to ensure transparency. The coordinated response, industry observers noted, aimed to balance public reassurance with technical diligence in maintaining fuel integrity across the network. Consumers appeared to be advised to monitor official channels for verified information.