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What is Diesel?

Diesel is a type of fuel most commonly used to power on-road vehicles and other forms of transport such as cars, lorries, trains, and boats. Diesel is refined from crude oil at petroleum refineries. In the US, these refineries produce 12 gallons of diesel from each 42 gallon barrel of crude oil.


Diesel Specification

Since 2007, diesel that conforms to EN590 specification has been referred to as Ultra Low Sulphur Diesel (ULSD)

ULSD is a blend of:

​A mineral distillate (93% by volume) of ULSD
Biodiesel (7% by volume) usually EN14214 FAME



Do you know about the changes to
red diesel eligibility?

For more information about the changes that came into effect in April 2022, please download our brochure.


Greener Diesel Alternatives

Here at Ukay energy we have diesel alternatives to keep you and your fleet on the road.


For more information on our alternative products please see below the GTL & HVO pages.

What is FAME?

FAME (Fatty Acid Methyl Esters) is a renewable biodiesel that is manufactured from

sustainable sources. As a biofuel, FAME can help reduce CO2 emissions and has

strong hygroscopic properties – meaning it is highly effective at absorbing water.

Changing regulations

The UK’s RTFO requires all fuel suppliers to increase the volume of renewable content

present in the total fuel mix. Currently, 8.5% of total fuel volume must be derived from sustainable and renewable sources; however, the target volume is set to increase to

12.4% by 2032. This will lead to a greater volume of FAME content in UK fuel than ever




What other names is diesel known by?

DERV (Diesel Engine Road Vehicle)

Road diesel


White diesel

Ultra-low sulphur diesel (ULSD)

Looking to order Diesel today
Get in touch

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