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      Question

      The Bureau of Indian Standards (BIS) notified

      specifications for which of the following new ethanol-blended petrol variants in May 2026? 
      A E5, E10, E15 and E20 Correct Answer Incorrect Answer
      B E12, E15, E18 and E20 Correct Answer Incorrect Answer
      C E22, E25, E27 and E30 Correct Answer Incorrect Answer
      D E30, E35, E40 and E50 Correct Answer Incorrect Answer
      E E50, E60, E70 and E85 Correct Answer Incorrect Answer

      Solution

      BIS notified specifications under IS 19850:2026 for E22, E25, E27 and E30 fuel blends, allowing petrol blending with ethanol up to 30%.  

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