Amid the raging debate on impact of ethanol-blended E20 petrol on cars, internal communications exchanged among auto industry executives reveal concerns on fuel contamination.

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…