E10 petrol has arrived at UK fuel stations. But what is it? What’s different about it? And how does it affect your car? Find out everything you need to know about E10 petrol here.
What is E10 petrol?
E10 is a type of petrol that is replacing E5 as the standard unleaded petrol at UK fuel stations.
It contains more ethanol and less fossil fuel than E5, so the government hopes it will go some way towards reducing carbon emissions.
In case you were wondering, the “10” is a percentage, so the new fuel contains 10% ethanol as opposed to 5% in the old one.
Ethanol is a type of biofuel that’s made from feedstocks like wheat and sugar beet, so adding it to petrol helps make it more eco-friendly.
According to the Department for Transport, the introduction of E10 is equivalent to taking 350,000 cars off the road. That’s a significant sum that represents a major step toward the government meeting its carbon reduction goals.
And don’t worry – the UK isn’t playing guinea pig when it comes to this new E10 petrol. The fuel is already in use in some European countries, such as Germany and Belgium, where it’s helped to reduce emissions for petrol vehicles across both locations. Brazil has taken things one step further, too, with a 100% ethanol-based fuel that it’s had in circulation since the 1980s!
Will E10 work in my car?
Now we’ve cleared up what E10 is, it’s time to answer the question on every motorist’s mind: will it work in my car?
Well, we’re pleased to say that in most cases, it will. Provided you drive a petrol car that was made after 2011, E10 will be safe to use.
In fact, of the 18.7 million petrol cars on UK roads, the RAC estimates that only around 3% won’t work with E10 (equivalent to 600,000 vehicles). That means most drivers can use standard unleaded as they normally would.
But what if you’re in the 3%? Here, E10 becomes more of an issue. Older cars aren’t designed to work with “future fuels” like ethanol, so using E10 could damage your engine.
There is a way around this, but it’s not ideal. People who drive cars made before 2011 are encouraged to swap to super-unleaded petrol at the pumps – an advanced type of petrol that costs an average of up to 12p more per litre.
It’s worth noting, however, that even if you do use E10 in an incompatible car, it will still run. But over time, you run the risk of doing damage to fragile plastics, metals, and rubber seals, so it’s probably worth biting the bullet and switching to super-unleaded instead.
If you aren’t convinced your car will work with E10, the government has handily set up a website where you can check your car’s compatibility.
Just input your manufacturer to see a full list of models that aren’t compatible with E10.
What can I do if my car isn’t compatible?
Redex Petrol System Cleaner has been re-developed to provide an additional layer of protection to prevent corrosion from the increased ethanol content found in E10 Petrol.
This means with the addition of 1 shot of Redex Petrol System Cleaner in each tank, any vehicles manufactured before 2011 can still use E10 Petrol safely.
Redex Petrol System Cleaner is compatible with both E10 & E5 Petrol and is suitable for Hybrids.
Is E10 as good as E5?
Aside from the well-publicised environmental benefits of E10, how does the fuel perform? And does it offer the same fuel economy and performance as the outgoing version?
In general, for most drivers, the switch to E10 won’t cause much impact, and could in fact save them money. E10 is cheaper than E5, as E5 became premium unleaded, and E10 is the same price as standard unleaded petrol. The UK government states a 1% reduction in fuel economy using E10 vs E5, so the changes for most drivers won’t be very noticeable, and there should only be a big impact for drivers of older cars.
There are other issues with E10 to note, too. E10 is considered a less stable fuel than E5, which could lead to starting issues in some vehicles. Drivers may also need to get used to greater variations in petrol prices, with E10 being influenced by both the wholesale price of oil and the wholesale cost of food crops.
So, E10 is here and most motorists will start using it without even realising it. From our point of view, there’s never been a better time to start using Redex to maintain engine health so you’re getting the most from every drop of fuel you put in the tank.
For those new to Redex fuel additives, our extensive range of petrol system cleaners includes our Standard System Cleaner, Advanced Fuel System Cleaner, Petrol Power Booster, and Petrol Emissions Reducer. Using a combination of all or some of these products can improve engine health and performance, and all our additives are safe to use with E10 petrol.
We hope this guide has shed some light on what E10 is and how it could affect your day-to-day driving. For more guides and features, head to the Redex blog, or visit the homepage to learn more about our wide range of fuel additives and system cleaners.
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