The Benefits of Using a Fuel Catalyst — Beyond Fuel Savings

Less fuel consumption lowers operating costs, the single greatest expense related to heavy equipment and commercial vehicles.

Fuel catalysts are recognized as diesel fuel saving devices that produce more energy from less fuel and reduce emissions. As a result, fuel catalysts are almost universally praised, including by those who determine the standards for technologies that control emissions in the heavy equipment and commercial vehicle industry.

Fuel catalysts are arguably the single most effective means of increasing engine power, improving fuel efficiency and decreasing diesel engine emissions. The Rentar fuel catalyst, for example, can reduce consumption by up to 12 percent. This means more than one hour of fuel gained for every 10 machine operating hours.

How a Rentar Fuel Catalyst Extends the Life of an Engine

As pressurized fuel is sent into a mechanical, two-way oxidation cylinder composed of precious metals with high thermal stability, fuel is agitated by a catalyst via a process called polarization. The heavy metals’ polarization effect separates clustered fuel molecules into a homogenized mixture which makes fuel oxidation occur to a higher degree.

Simply put, catalysts prime fuel for oxygen homogenization, oxygen being a principal factor in combustion efficiency. Combustion efficiency extends the life of your engine through preventing carbon buildup and moderating temperature.

Residue Deposits From Unburned Fuel

Unburned fuel creates a variety of problems. Diesel fuel is intended to cool and lubricate fuel injection systems. Poor lubrication will result in excessive wear and the eventual failure of injectors and fuel pump. As not all unburned fuel is forced out of the end of the tailpipe, it collects and adheres to the internal components of an engine and a fuel injection system.

Not only does fuel with lower combustion rates wear out injectors and pumps prematurely, but heavier fuel cuts can create combustion chamber deposits which will reduce the life of cylinder rings and liners.

RPM Equal High Operating Temperature

Nothing — not even unburned fuel and containment deposits — reduces the life of an engine to a greater degree than heat. Poor combustion efficiency in fuel results in a loss of power. In order to operate a vehicle or machine at optimal power levels, the driver or operator must increase an engine’s revolutions per minute (RPM) when using fuel with poor combustion efficiency.

Higher RPM equate to higher engine temperatures. High temperatures stress gaskets, rings and the metal alloy mechanical features — those that are the most expensive to replace — as no other operating variable can.

While stressing an engine with medium-high temperatures for a short period of time does not typically damage an engine significantly; doing so repeatedly, year after year significantly reduces the life of an engine. A Rentar fuel catalyst allows an operator to run an engine cooler without losing power.

Lower Emissions

Combustion efficiency is the driving force of higher power output and lower operating temperatures, and it also reduces emissions. Emission tests determine the levels of carbon monoxide and oxides of nitrogen, as well as measuring the levels of hydrocarbon.

A catalyst increases the rate of reaction between oxygen, unburned hydrocarbons, and carbon monoxide in the exhaust. Fuel catalysts decrease fuel consumption, lower emissions, and extend the life of an engine.


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