Top automakers Maruti Suzuki, Tata Motors and Mahindra discussed concerns about contamination of petrol blended with 20pc ethanol, called E20.

Automakers privately expressed concerns about E20 fuel contamination, citing chloride and moisture issues. This data emerged after the auto lobby withdrew a complaint to the…

The carmakers’ emails show for the first time how they are privately worried about contaminants in E20, like chloride and moisture, which they say are hurting vehicles, even as…