EVs
The EPA Four-Gallon Fuel Rule Explained
US gas stations using blender pumps for E10 and E15 fuel enforce a four-gallon minimum to ensure safe dilution of residual ethanol in the hose.
October 13, 2026, 11:04 PM·CarScoops

US gas stations using blender pumps for E10 and E15 fuel enforce a four-gallon minimum to ensure safe dilution of residual ethanol in the hose.
