SIAM withdraws fuel-quality letter, reaffirms auto industry support for E20

SIAM said oil marketing companies’ testing regime—including more than 150 quality parameters, 3 ppm chloride/sulphur guidance and frequent water-ingress checks—adequately addresses fuel-quality concerns as E20 rollout continues.

— Source publishedWed, 5 Aug, 2026, 07:06 IST·First seen Wed, 5 Aug, 2026, 07:29 IST·Source ET Small Business

What happened

Society of Indian Automobile Manufacturers (SIAM) · SIAM withdrew an earlier fuel-quality communication and reaffirmed auto industry support for India’s E20

Key facts

  • More than 150 fuel-quality parameters
  • 3 ppm chloride/sulphur guideline
  • Water-ingress testing 8-12 times daily
  • Over 87,000 fuel outlets

Why this matters

Automotive, fuel-retail and testing-service companies can pursue E20 ecosystem partnerships with greater confidence, as SIAM now endorses the existing oil-marketing quality-control regime.

What to watch

  • Reports of water contamination, corrosion or drivability incidents linked to specific E20 retail outlets.
  • Any clarification from automakers on warranties, approved fuel use or retrofit requirements for older vehicles.
  • Expansion pace of E20 availability across urban, highway and rural fuel stations.
  • Changes in OMC testing disclosures, enforcement actions or penalties for fuel-quality non-compliance.
  • Consumer complaints or social-media narratives about E20 mileage and maintenance costs.
  • Oil marketing companies expand E20 dispensing coverage and publicize testing, sampling and station-audit protocols.
  • Automakers update owner communications, dealership scripts and fuel-compatibility labels, particularly for pre-E20 vehicle cohorts.
  • Government and industry bodies increase messaging on E20 vehicle suitability, fuel-quality grievance channels and warranty treatment.
  • Dealers and service networks prepare for more queries related to fuel economy, drivability and possible contamination complaints.