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.

The EU exceeded its 2025 sustainable aviation fuel targets, yet the market remains dependent on imported waste feedstocks and lacks investment in synthetic fuel production.

Transport & Environment warns that allowing biofuel to be classified as e-SAF under the ReFuelEU mandate could jeopardize EU aviation targets and lead to financial penalties.
