The oil industry is full of technical terms and products can have several names depending on the type of product or region which can be confusing especially if you are a new oil consumer. To try and help explain some of these terms we have created an appendix which explains some common terms within the trade.


Available for all types of fuel and for different purposes such as anti-wax for gas oil, fuel enhancers for Aga style cookers or boilers (See premium kerosene products) Call our sales staff on 0191 518 6770 for more details.


An additive added to fuel at the terminal during winter months to stop gas oil "Waxing" up. Also available as an extra product which we can add to summer fuel if you plan to store it over the winter period.


This is the area between a twin skinned tank designed to hold fuel if the inner skin were to develop a leak. A bund can also be built from concrete or masonry then rendered around a single skinned tank to hold any oil spills. 

Diesel Bug

The first sign of microbiological contamination is often continuous blocking of filters with a slimy substance, which can range in colour from black to light brown. It is caused by water in the tank which provides the "bug" with oxygen while the fuel provides nutrients. It forms as a slimy layer between the two fluids and can get drawn into vehicles/machinery when the level reaches the outlet. This can be treated by using an Anti-bug additive.More info here


FAME stands for Fatty-acid methyl ester, commonly known as bio-diesel. This may be present in fuel blended in by the refinery. The addition of FAME can increase the chances of developing "Diesel bug". It's effects can be combated with the use of Gas oil extra additive. For more information see our infograph on "What is Diesel Bug."

Gas oil

A red coloured diesel which has a lower tax level and can only be used in registered agricultural machinery like tractors, commercial vehicles like diggers and cranes etc and other non-road vehicles like boats. Otherwise known as:
Red diesel
Tractor diesel
Pink diesel
35 second oil


A low sulfur straw coloured oil used in domestic heating systems. Otherwise known as: 
burning oil, 
boiler juice, 
28 second oil, 


This is our premium kerosene which has been developed for use in domestic heating boilers. Keromax improves the overall efficiency of the system and helps slow down the build up of sooty deposits around the injectors & burners which lead to blockages. Find more information here.

Offset Fill Point

This is the point that a tank is filled from which is isolated from the tank. Usually found when a tank is located in a building or tight space and the only way to connect is via a pipe outside, connected to the tank. Offset fills need to conform to regulations as there is a risk of overfilling as the tank level cannot be monitored while filling. Please try to be accurate with the quantity when ordering to avoid the possibility of an overfill. 

Overfill device

A device fitted to the tank which can sound an alarm or shut of the delivery of oil to prevent spills from over filling.

White Diesel

A clear/white coloured diesel fuel for use in road vehicles. Also known as:
Road diesel
Landrover diesel


Gas oil tends to "wax" up at very low temperatures which leads to fuel starvation in machinery as it cannot flow properly through the engine. Gas oil is usually treated at the refinery during winter months to help reduce this but Anti-wax additive can be added during the delivery to increase its resistance to colder temperatures. Anti-wax is also best added if you buy during the summer months and intend to store it over the winter.


An electronic device which sends a signal from your tank to a unit plugged in the house showing the level of the oil in the tank. 


Agamax - A specialist fuel additive designed to improve the 'burn quality' of domestic kerosene when used in range-style cookers and boilers and/or where vaporising burners are being utilised.
Find Out More


Keromax - A premium heating oil designed to lower carbon build-up; stabilizes fuel; inhibits sludge formation; keeps fuel fresher for longer; reduces service problems and improves system efficiency, Lowering fuel consumption.
Find Out More

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