Bengaluru, Nov. 6 -- Karnataka Minister Rizwan Arshad on Friday raised concerns over the impact of high ethanol-blended petrol on vehicles, warning that fuel containing more than 20 per cent ethanol could damage components of vehicles not designed to handle higher ethanol concentrations.

Speaking during a press conference on the testing of petrol samples collected across the state, Arshad said the government had collected 63 samples from different locations in every district and from all major oil companies.

"We collected 63 samples from across the state, from various locations in every district, and from all the major companies," he said.

Questioning the compatibility of higher ethanol blends with the existing vehicle population, the ...