Catalysts are substances that change the properties of the fuel, thereby changing their mechanism and combustion rate, increasing by an order of magnitude the standard properties of the fuel. These additives are added to the fuel in very small proportions, in hundredths, so the physical parameters and characteristics of the fuel do not change.
What is the essence of catalysts?
The catalyst changes the chemical component, namely, it slows down the oxidation activity of the fuel, which allows it to burn completely, quickly and at a lower temperature than is technically envisaged. Due to the reduced combustion temperature, the load on the engine is automatically reduced, respectively, it works better at lower powers and does not overheat, and the fact that the fuel burns out completely, and does not drip down the exhaust pipe, significantly reduces its consumption.
The most commonly used catalysts contain additives of metals, iron, lithium or copper. These additives not only help to reduce fuel consumption, but also help protect all metal parts of the engine and fuel system from wear. Now there are new, natural additives made on the basis of various vegetable oils, although in essence this is nonsense, since artificial synthetic oily substances (gasoline and motor oil) cannot interact with natural components in any way.
When should you use a catalyst?
To be frank, in terms of daily fuel consumption, the savings are practically not tangible. Part of this is approximately 0.01 L of savings per full tank (40 L). Of course, taking into account for a whole year, it is possible that it will be possible to save one full tank, but additives cost money.
It is true that they improve the properties of fuel and protect parts from wear and tear, so if you have a new car, you can extend its life by using this product for one year, but you will certainly not be able to save money on this.