The 10 varieties of diesel and their attributes

Diesel is one of the fuels used in a car’s mechanical operation, along with gasoline. It is one of the most commonly used fuels.

And that as we have mentioned on other occasions, the automotive industry is changing by leaps and bounds in terms of sustainability.

This idea starts precisely from the food our four-wheel friends have to receive. This is something that we have said previously.

The 10 varieties of diesel and their attributes

However, because diesel fuel is still widely available on the market and enjoys a certain degree of notoriety, we at TopDriverZ have decided to compile a list of the various kinds of diesel that can be put into a vehicle to give it the power it needs to complete the many types of trips it is capable of making.

What distinct kinds of diesel are there to choose from?

After this brief introduction, it is time to get down to business and conduct an in-depth examination of the various diesel fuel available to drivers at gas stations and in the technical data sheets that come with their vehicles.

However, it is essential to be aware that the composition of the ones you see contains varying amounts of cetane, one of the primary factors that differentiate them from one another.

The higher the numerical index of the cetane, the faster the combustion takes place.

This results in less noise and fewer emissions being released into the atmosphere.

It also suggests a higher detergent capacity, which indicates that it will foul the engine’s valves and injectors to a lesser extent than usual.

Because of this, there will be less of a presence of exhaust gases in the end.

1. Diesel A

At a gas station, the user can use this one to refuel their vehicle, which is one of the options available to them.

The next step is broken down into the standard and premium categories. In the latter case, it is known by various names depending on the company, including e+10 at Repsol and time at Cepsa.

It is possible to deduce that it possesses qualities that are superior to those of conventional fuel. The cetane index of this substance is 51.

The gas, oil, or diesel that bears the letter A has the distinct advantage of being of higher quality than the other options covered in the following lines.

This is because its oil refining process is more extensive, in addition to the fact that it contains suitable additives to provide better performance on a day-to-day basis to the automobiles that use it and, incidentally, to reduce emissions that are harmful to the environment.

It is important to note that the kerosene does not become solid even when the temperature is relatively low. It is intended for use by automobiles that transport passengers.

The following are some of its subtypes:

Diesel A+/Plus/Premium

The improvement it brings is linked to an extension of the optimum performance shown by the same and a lower consumption that can save between two and five percent of fuel overall.

A cleaner engine and better quality combustion are both necessary for this improvement.

The number 55 on the cetane scale and the specific additives it contains give it this quality.

It is possible to mix it with regular diesel as a general rule, but only if the vehicle used for this purpose is not more than a few years old.

However, because of this, the “normal” version has a longer useful life and a greater lubrication capacity, but it has a more difficult time starting in cold conditions.

The viscosity of it is to blame for all of this.


It is a cleaner fuel in terms of its emissions and can even eliminate impurities that accumulate inside the tank. This makes it a better choice for the environment.

Because it can freeze at low temperatures and, as a result, corrode the seals inside the materials consumed the most, it is only possible for it to work with a standard diesel engine if several modifications are made to it.

Therefore, unless you have an additional tank of gasoline or diesel fuel to draw from until the engine finally warms up, you should avoid exposing it to temperatures below zero.

This is because doing so can be dangerous.

As a result, for a diesel vehicle to perform adequately when combined with pure hard biodiesel, it is necessary to install an additional tank, make modifications to the fuel lines and injectors, and replace any engine rubber that may be present.

Diesel 1D, 2D and 4D

The numbers that follow indicate the density that is presented by the fuel, with the 1D being more recommended for dealing with cold climates, the 2D for coexisting in warmer ones, and the 4D having a purpose that is more focused on industrial machinery because low-speed engines integrate it.

2. Diesel B or subsidized, whichever you prefer

It is the one that is used by agricultural machinery, and the primary distinction between it and A is that it contains a higher concentration of kerosene in its composition and a lower concentration of additives.

This is the one that is used by agricultural machinery. Because of this, it is not suitable for use in the engines of passenger-carrying vehicles such as automobiles, motorcycles, and other vehicles.

The performance of the engines installed in tractors, trailers, and fishing boats, among other machinery, is improved.

It is essential to point out that it is subject to more favorable taxation because it attracts a lower tax burden and receives financial support from the Treasury; as a result, it is both more cost-effective and subject to regulation.

One of the characteristics that sets it apart from the others is the fact that it is red; this is one of the characteristics that make it easy to recognize.

There have been motorists who, out of sheer curiosity, have given their vehicle this fuel, justifying their decision by citing the negligible difference in performance that results from doing so (which is true indeed).

Nevertheless, because this ruse is punishable by fines that can go as high as three thousand euros, it is preferable to steer clear of any issues that may arise.

3. Either heating oil or diesel grade C

As you might have guessed, it is the one we use to heat our home; however, it is strictly prohibited from being utilized in motor vehicles.

It is of the lowest quality because, if used for automobiles, it can cause severe problems to the car’s mechanical structure.

It is the least expensive, has minor refinement, and has the fewest additives.

Because it does not ignite at room temperature and does not contain a high concentration of kerosene, it is widely used in homes despite being the safest option possible from a fire prevention standpoint.

This explains why it has such a high concentration of kerosene. It is prohibited to supply it in vehicles, and if an individual decides to do so despite this prohibition, he faces fines that can reach the same amount as diesel B, which is three thousand euros.

4. Different kinds of diesel fuel

In addition to B20, we can find this fuel in various forms when we go to the gas station, including B7, B10, and R33, also referred to as blue diesel.

Diesel B7 and B10

The first two products differ in terms of the percentage of biodiesel included in their formulas; the first product contains 7% biodiesel, as the name suggests, while the second has up to 10% biodiesel.

On the other hand, the remaining components of both are made up of simple diesel derived from petroleum.

While the B7 is more transversal and is not exclusive to any particular type of automobile, the B10 is better equipped to deal with models with a more powerful engine, including some particularly well-suited for agricultural use.

Diesel R33

The R33, on the other hand, was introduced a few years ago as a less polluting and cleaner diesel without sacrificing any of the benefits that have traditionally been associated with fuels of this kind.

This was accomplished without sacrificing any of the fuel’s inherent qualities. There are claims that it can reduce carbon dioxide emissions by up to twenty percent compared to more traditional diesel.

This would be the case because, according to the people who developed it, it incorporates up to a third of waste and kerosenes into its structure, both of which have roots in used cooking oil.

Several well-known companies in the automotive industry conceptualized this concept.

One of these companies is Volkswagen, which has carried out several trials involving the refueling of its fleet of vehicles at service stations in Wolfsburg, as well as an operation serving as an experiment in a plant in Salzgitter (Germany) to begin mass production of this biofuel.

The 10 varieties of diesel and their attributes

B20 diesel

There is also a variant known as B20, which consists of 80 percent conventional diesel and 20 percent biodiesel instead of traditional diesel.

Because it does not require any modifications to be carried out on it, it can be blended seamlessly with B10 to power an engine running on this fuel. There are filling stations that offer this refueling option.

There is also diesel available with deficient levels of sulfur. About 20 parts per million of sulfur can be found in this substance.

Because of this, the emissions of gases like nitrogen oxide and soot that can result from a vehicle’s engine operation are reduced.

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