1. Karnataka finds ethanol blending of up to 31.2% in petrol, seeks explanation from Union government  The News Minute
  2. Oil Companies Reject Karnataka's '31% Ethanol In Petrol' Claim, Question Sampling Procedure  NDTV
  3. OMCs refute Karnataka’s E20 report, seeks additional details about procedure  The Hindu
  4. ‘Experimenting on 1.3 billion people’: Priyank Kharge alleges excess ethanol blending in E20 petrol  The Times of India
  5. Rahul Gandhi doubles down on E20 charge: ‘Modi ji, tell us how much ethanol is actually in the petrol?’  Telegraph India