fuel supply. E10 is gasoline which has been blended with up to 10% ethanol. During summer months, it is typically sold in a blend that is designed to minimize the emission of ozone or smog, which can affect air quality and associated health problems.
EPA will loosen summertime fuel emissions rules to increase the US gas supply
Utah News spotted this story published August 20, 2026 at Fox 13. Full coverage may follow as more sources report.