About Course
Standard petrol in the UK is now E10, containing up to 10% renewable ethanol. Most cars run on it without any problem, but some older and classic vehicles do not. This course explains what E10 is, how to check whether your car can use it, where to find E5 if you need it, and what to do if you put the wrong petrol in.
Tutwoo is an independent learning provider. This course gives general information based on GOV.UK guidance. Always check your own vehicle’s compatibility with the manufacturer if unsure.
© 2026 Tutwoo UK Limited. This course was created in-house by Tutwoo and is our original work. It is for your own learning only: please do not copy, share, record or resell it.
Course Content
Course Lessons
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What E10 is
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Is my car compatible?
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E5 and filling up with the wrong petrol