
The Society of Indian Automobile Manufacturers (SIAM) has withdrawn an earlier communication on fuel quality after media reports referred to extracts mentioning chloride and sulphur content in petrol, as per The Economic Times report.
The industry body stated that the figures quoted were part of an internal technical exchange and require further verification before being treated as confirmed observations.
SIAM stated that communication was shared during regular discussions involving automobile manufacturers, oil marketing companies (OMCs), testing agencies, and other industry stakeholders.
It added that the values require validation using data collected from different regions of the country and discussions with member original equipment manufacturers (OEMs).
Fuel quality continues to be monitored under the current regulatory framework through testing more than 150 parameters. SIAM stated that these checks are carried out by OMCs as part of the standard process before fuel is supplied through the retail network.
The association indicated that technical exchanges on fuel quality are a routine exercise between the automobile industry and fuel suppliers and are conducted as part of the existing quality review mechanism.
SIAM also referred to the quality measures applicable to ethanol blended into petrol. It noted that the Ministry of Petroleum and Natural Gas (MoPNG) has prescribed a precautionary limit of 3 parts per million (ppm) for chloride and sulphur in ethanol entering the petrol supply chain.
The association also referred to information provided by OMCs, under which water ingress testing is carried out between eight and 12 times a day across more than 87,000 fuel retail outlets. Similar checks are also undertaken after rainfall near petrol pumps.
SIAM stated that the automobile industry continues to support the Government of India's E20 ethanol blending programme. It also noted that technical issues linked to fuel quality have been addressed through regular coordination between vehicle manufacturers and OMCs over the years.
The association stated that the issue reported recently does not indicate any change in the industry's position on the E20 programme.
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The industry body has asked that its communication be viewed in its complete context, noting that the reported values are yet to be authenticated. It also maintained its support for the E20 ethanol blending initiative.
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Published on: Aug 5, 2026, 2:37 PM IST

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