Karnataka Chief Minister D K Shivakumar questioned the Centre over alleged excess ethanol blending in petrol, claiming vehicles were suffering damage and reduced mileage. He cited state-collected samples, criticised BJP leaders and announced progress on appointments to government boards and corporations. Mysuru: Karnataka Chief Minister D K Shivakumar on Wednesday questioned the Centre's accountability over problems allegedly arising from ethanol blending in petrol, claiming that vehicles across the country were suffering from.