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Environment & Science

E20 Petrol Controversy: Fuel Efficiency Concerns and India's Ethanol Blending Policy

Hindustan Times - IndiaPrelims · Science and technologyMains · GS3 Environment and biodiversity

Popular vlogger Sourav Joshi's complaint about E20 petrol reducing his Mercedes' fuel efficiency to 5 kmpl highlights public concerns over India's ethanol blending mandate, aimed at reducing carbon emissions and crude imports.

  • E20 petrol, a 20% ethanol-blended fuel, is part of India's strategy to cut carbon emissions and reduce crude oil imports, but has faced criticism for impacting vehicle performance.
  • Sourav Joshi, a prominent vlogger, reported his Mercedes-Benz SUV's fuel efficiency dropped from 17 kmpl to 5 kmpl after using E20, raising concerns about engine compatibility.
  • Mercedes-Benz India claims vehicles sold since 2020 are engineered for ethanol blends, attributing issues to fuel adulteration at regional pumps rather than E20 itself.

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