Ethanol free petrol from Esso Synergy Supreme+ 99 Unleaded Their ethanol free petrol is Synergy Supreme+ 99 Unleaded. Legislation requires Esso and other motor fuel suppliers to place E5 labels on pumps that dispense unleaded petrol with ‘up to 5% ethanol’, including those that contain no ethanol. Ethanol in petrol has damaging effects on fuel supply parts and upgrades are necessary not least with replacement ethanol resistant fuel hose. But ethanol also is hydroscopic and when standing in a fuel tank during an extended lay-up attracts moisture which can lead to corrosion. Whether to have a petrol tank full or low during a lay-up has been a topic discussed often but the good news is ethanol-free petrol is available at Esso pumps but you need to look for their Synergy Supreme+ with the red label - see alongside. Although legislation requires Esso and other motor fuel suppliers to place E5 labels on pumps that dispense unleaded petrol with ‘up to 5% ethanol’, that includes fuel which includes fuels that contain no ethanol, which is why Esso display "E5" on their Synergy Supreme+ 99 pumps. Posted: 210531 What’s in Esso's Synergy Supreme+ 99 premium petrol Synergy Supreme+ 99 petrol from Esso has more cleaning power than their regular petrol – and includes molecules whose job it is to reduce the friction in your engine helping the moving parts work more efficiently.* Although their pumps have E5 labels on them, their Synergy Supreme+ 99 is actually ethanol free except, due to technical supply reasons, in Devon, Cornwall, North Wales, North England and Scotland. Legislation requires Esso and other motor fuel suppliers to place E5 labels on pumps that dispense unleaded petrol with ‘up to 5% ethanol’, including those that contain no ethanol, which is why Esso display them on their Synergy Supreme+ 99 pumps. There’s currently no requirement for renewable fuel, like ethanol, to be present in super unleaded petrol although this could change in the future, in which case they would comply with any new legislation.What is the difference between regular and premium petrol from Esso? Synergy Supreme+ 99 Unleaded from Esso is their highest octane fuel. Higher octane can help to reduce knocking-related performance losses in modern cars. More on Synergy Supreme+ 99 Unleaded petrol Synergy Supreme+ 99 Unleaded fuel from Esso also has extra additives which can benefit all petrol cars, even older ones.* Synergy Supreme+ 99 Unleaded fuel has double the amount of detergent additive compared with regular petrol supplied by Esso, which helps give your engine a deeper clean. The cleaner your engine, the better it can perform and the more fuel efficient it is. Synergy Supreme+ 99 Unleaded fuel also contains molecules that help to reduce friction in your engine helping the moving parts work more efficiently.* * Esso Synergy Supreme+ 99 Unleaded Petrol Esso indicates the claims above are based on (1) internal or third party vehicle engine testing; and/or (2) government publications; and/or (3) industry or scientific literature. Benefits may vary depending on factors such as engine type, driving style and fuel previously used. Esso Synergy Supreme+ 99 Unleaded Petrol has a double additive treat rate, compared to Esso Synergy Unleaded Petrol. Esso Synergy Supreme+ 99 Unleaded contains a friction modifier. Where can you get Synergy Supreme+ 99 Unleaded fuel? On the Esso website you can type in your location (town or postcode) and then click the search button when you will see a map and a listing with all the filling stations in the area surrounding the search location details you entered. But note Esso Synergy Supreme+ 99 Unleaded is available only at selected Esso branded service stations. Find an Esso petrol station near you