One-in-four drivers still in the dark about E10 petrol

Friday, September 3, 2021 - 09:02
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More than a quarter of drivers (27%) are yet to check whether their car is compatible with new E10 petrol that arrives at forecourts this month, with a similar proportion (24%) unaware that the new fuel is being introduced to replace E5 as the standard grade of unleaded petrol, new research has found.*

E10 petrol

E10-E5 Labels

The findings mean the RAC is encouraging drivers to check their vehicle’s compatibility with the new blend of petrol as soon as possible via the free official online checker – something that 26% of those surveyed said they had already done, with a further 15% saying they’d found their car was compatible by another means. Those with incompatible vehicles – which are estimated to total around 600,000 – will have to seek out and pay for more expensive, E5 super unleaded if they wish to keep them running.

Of those drivers surveyed who know their main car is not compatible with the new E10 fuel, the impact of the cost of having to fill up with super unleaded instead – which can cost around 12p more per litre than standard unleaded – is the single biggest concern, cited by 59% of respondents. Around half (53%) are worried about finding forecourts that sell E5 super unleaded in the first place, while a fifth (20%) fear mistakenly filling up with E10 – something that may cause expensive damage to non-compliant vehicles. The same proportion said they were concerned the changes could impact on the resale value of their vehicle.

E10 petrolThe new E10 petrol contains up to 10% bioethanol, replacing E5 which has up to 5%, and is being introduced to cut carbon dioxide emissions. It has been estimated that the switch to E10 will cut CO2 emissions by 750,000 tonnes a year, or the equivalent of taking 350,000 vehicles off the road and is part of the Government’s 2050 net zero carbon target. However, those who fill a non-compatible vehicle with E10 petrol could find that it may cause damage to seals, plastics and metals over longer periods as a result of bioethanol’s corrosive properties. All vehicles sold in the UK from 2011 are required to be E10 compatible.

The Government says that all cars built since 2011 can use E10 petrol. The fuel is arriving across forecourts in Great Britain now, and is due to arrive in Northern Ireland in early 2022. The RAC does not expect the shift to E10 from E5 itself to result in higher petrol prices in the future, as the higher cost of bioethanol has already been included in the wholesale price of the fuel for some time.

Those that discover their cars aren’t compatible will unfortunately need to seek out and pay for a hefty premium for E5 super unleaded fuel instead.

* RAC Research conducted among 1,450 UK drivers between 25 and 27 August.

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