Fuel Guide Diesel, Petrol, Ethanol & blends of E85 E10 E5 E15

What do octanes and E numbers mean?

With all the fuels grades and ratings around it can be a challenge to get the best fuel for your engine.

Industry insiders explain the fuels in our guides and articles and help you to make an informed decision when selecting fuel.

We explore the many different types of fuel and grades on the market, suggestions advantages and disadvantages for each and where possible we outline options to convert engines to run on them.

We include Octane and Cetane explanations and what the E numbers mean and if they can harm your engine.

E85 Ethanol gas fuel

Read up on Ethanol E85 gas fuel find out what it is, what octane which cars can happily run it and how to convert a car to use it. We also look at the advantages and disadvantages of E85 fuel.

E85 is a term used to refer to rich ethanol-gas fuel blends that contain a 51%-83% ethanol ratio depending on the season and geography of use.


How to save over 20% fuel

Find out how to avoid wasting fuel with our hypermiler fuel saving tips and advice. Follow these fuel saving tips to save 20% of your annual fuel bill.

Most drivers are wasting fuel by ignoring a few simple fuel saving principles.


5 top fuel saving tips

With ever increasing fuel costs it makes sense to look for ways to save fuel. The more fuel you conserve the more money you will save.

Follow our advice and our top 5 fuel saving tips to reduce the cost of fuel and get better mpg. Avoid the pitfalls and additives that do nothing for your car with our no nonsense advice.


Fuel surge tanks

We look at fuel surge tanks explaining what they are, how they work and the typical scenarios where you really need them like when cornering with low fuel in your tank, or to keep up with engine fuel demand on heavy load applications.



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