TNPSC Thervupettagam

Introduction of E20 Fuel

April 4 , 2026 15 hrs 0 min 22 0
  • The government introduced the E20 fuel mandate to promote cleaner and more sustainable transport.
  • E20 fuel is a blend of 20% ethanol and 80% petrol used in vehicles.
  • The minimum octane rating of E20 fuel is 95 RON (Research Octane Number), higher than normal petrol.
  • Ethanol (CHOH) is a renewable biofuel produced from crops like sugarcane, maize, and grains.
  • It helps reduce greenhouse gas emissions and improves engine efficiency and combustion.
  • The initiative reduces dependence on crude oil imports and strengthens energy security.

 

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