What happened (SIAM withdraws its chloride-related letter on E20)
The Society of Indian Automobile Manufacturers (SIAM) withdrew an earlier letter sent to the Union government that raised concerns about potential damage to vehicle parts linked to E20 fuel (petrol blended with 20% ethanol). SIAM said its earlier objections were addressed, and that the data it had cited needed further verification.
SIAM also said earlier field observations required additional data collection across different regions and further consultation with original equipment manufacturers (OEMs), meaning vehicle and component makers.
Background: what SIAM originally claimed about chloride, corrosion, and moisture
In the earlier letter, SIAM claimed that investigations of failed parts indicated corrosion or wear attributed to high chloride levels traced to E20 fuel. SIAM also stated that deposits showed chlorides and referenced excess moisture as a related issue.
SIAM’s clarifications after the withdrawal
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