E20 Turns 420? Rahul Gandhi Flags 31.2% Ethanol In Karnataka Petrol; Oil Firms Dispute Tests

“E20 turned into 420.”Rahul Gandhi has reignited the ethanol debate after laboratory tests cited by him and the Karnataka government allegedly found ethanol levels as high as 31.2 per cent in petrol samples.Eleven of 14 samples reportedly contained more than 20 per cent ethanol—the limit for E20 petrol.But the oil companies have rejected the findings, questioning the sampling process and testing methodology.So, is petrol being sold with excess ethanol? Can higher ethanol levels affect mileage and vehicle components? And what exactly is going into your fuel tank?