If you do fill up with E10 fuel, don't panic - just remember to fill up with super unleaded or premium fuel next time. That said, it recommends avoiding prolonged use of E10 petrol in a non-compatible car as this can result in long term harm to the engine. The government suggests that putting E10 petrol in a non-compatible car on a one-time basis should not result in your car's engine being damaged as a result. Unlike putting diesel in a petrol car or petrol in a diesel car, you don't need to drain the tank to avoid permanent damage to your car and engine if you put E10 fuel in your car by mistake. Finally, combustion can be affected, with ethanol affecting cold start performance. Fuel containing ethanol can turn corrosive if left in long-term storage, while ethanol's high solvency can affect seals and gaskets used in some fuel systems. There are a number of reasons why continued use of E10 fuel in some cars is not recommended. What if you use E10 fuel in a non-compatible car? Check out our guide to the best electric cars or best family cars as a starting point. You can get a valuation for your car so you know what you can expect to get for it when you trade it in. You will pay more for these fuels though.Īlternatively it might be time to look at part exchanging your current older car if it isn't compatible and look for something a bit newer that will happily run on E10 (or even electric). The government has said that these fuels will continue to be available and should provide better performance.
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If you find your car isn't compatible with the new E10 petrol, and there's estimated to be around 600,000 cars on the road that won't be able to happily run on E10 fuel, then you've got a couple of options.įirst up is the option of using Super Unleaded or Premium petrol, with these having 97 and 99 octane. What if your car isn't compatible with E10 fuel? Otherwise you can use the government's E10 vehicle checker. You'll find all major manufacturers covered and you'll be able to easily see which models will and won't run on E10 fuel. If you want to double-check if your car is compatible with E10 petrol, then we've compiled a quick reference E10 fuel checker at the bottom of the page.
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However, the UK Government recognises that E10 petrol can see a slight reduction in fuel economy, though this is like to be only around 1%. With E10 petrol already in use across much of the developed world, including Europe, the US and Australia, E10 is the fuel that's been used to test a cars performance and emissions since 2016.
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To put that into a little more perspective, that's equivalent to taking 350,000 cars off the road.
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The government anticipates that this could cut transport CO2 emissions by up to 750,000 tonnes a year. No prizes for guessing where the name E10 originates from.īy changing the mix of the fuel, the level of CO2-based vehicle emissions should be reduced. In a bid to help reduce carbon dioxide emissions in the UK, the Government has decided to change the standard grade of petrol from 95% octane and 5% ethanol (known as E5 at the petrol pumps) to a mix that contains 10% renewable ethanol and the rest octane. E10 fuel will become the new petrol standard First though, let's take a look at why the Government has decided to introduce this E10 fuel. There is a catch though - not all cars will be able to run on it, but we'll look at that in more detail in a moment. Replacing E5 petrol at the pumps, the Department for Transport (DfT) expects E10 fuel to be the new standard petrol grade. E10 fuel is designed to be a more eco-friendly petrol and is due to be introduced to UK filling stations from September 2021.