Bengaluru, Nov. 9 -- Karnataka Minister Rizwan Arshad on Monday alleged that oil marketing companies had failed to provide clear ethanol-content findings for 63 petrol samples submitted by the Karnataka government since September 21, and accused them of subsequently disputing independent laboratory reports showing blending levels of up to 31.2 per cent.

Addressing a press conference here, Arshad said the state government stood by its findings based on samples collected from seven districts and tested at NABL-accredited and ISO-certified laboratories, asserting that the results pointed to excessive ethanol blending at oil companies' terminals rather than isolated irregularities at individual petrol outlets.

"We stand by our report and clai...