Ethanol blends
The Dutch allows sales of gasoline with up to 10% v/v of bioethanol in gasoline grade E10. Sales of gasoline containing up to 5% v/v of bioethanol (E5) are also allowed, as the protection grade for older vehicles.
Published standard NEN EN 15293:2018 Fuels for road vehicles - Ethanol (E85) motor fuel - Requirements and test methods allows the sale of gasoline with up to 85% v/v of bioethanol.
For more details about the specifications of the standards, please see the SGS INSPIRE fuel quality database.