Why Fuel Quality Matters More Than You Think

Fuel quality plays a critical role in generator performance and longevity, with higher-quality fuel improving efficiency and reliability while low-quality fuel leads to hidden damage, increased maintenance costs, and reduced lifespan over time.

To anyone who does not work in the generator industry, gas is not something people spend time thinking about. The only thing it brings to mind is the price that they are paying at the pump. But the reality is so much more than that. Fuel quality directly impacts the performance, efficiency, and long-term engine health in a generator. Using low-quality or contaminated fuel is not only more expensive over the long term, but it can also potentially lead to otherwise avoidable damage to the machine.

What Is Fuel Quality?

Not all fossil fuels are created equal. In general, fuel quality can be affected by a few key factors. The single biggest among these is the presence or absence of contaminants, such as water, dirt, or other forms of debris. It is also affected by the chemical composition of the fuel, which can be influenced by additives such as detergents, stabilizers, and the methane number in the case of natural gas. As a result, not all fuel purchases from a station will perform identically to any other. The quality of the fuel overall will influence how efficiently it burns, thus influencing the overall performance of the generator.

How Fuel Quality Affects Performance

Fuel quality is critical to achieving maximum engine performance. Higher quality fuel burns more efficiently than fuel that is filled with contaminants, and does not coat the internal mechanism of the engine with dirt and grime nearly as much. This results in smoother operation, a higher power output, and the prevention of sluggish performance and engine knocking. Even minor differences in fuel quality have been demonstrated to make a difference over time, chiefly in terms of efficiency and repair costs. Low-quality fuels are known to have deleterious effects on starting and overall reliability, leading to more technician visits.

The Hidden Risks of Low-Quality Fuel

In the beginning, it’s difficult to see the importance of fuel quality. At first glance, an engine will appear to run the same with the cheapest fuel available compared to a high-quality, premium option. The issue lies with the accumulation of invisible damage over time. Low-quality fuels are associated with carbon buildup in the fuel injectors, valves, and combustion chambers, leading to erosion, clogging, and wear over time. This leads to premature engine wear and tear and will reduce the overall lifespan of the unit. To put it simply, you pay for the short-term savings found in low-quality fuels through increased maintenance costs in the long term.

Long-Term Benefits of Choosing A High-Quality Fuel

What savings can be found today in a low-quality, inexpensive fuel are known to add up over time. Low-quality fuels leave sediment deposits throughout the generator, which leads to reductions in performance and increases in mechanical wear over time. The premium paid today in choosing only high-quality fuels for your power generation needs, especially in the case of diesel generators, pays dividends over time and helps to ensure that your generator will be there when you need it most.

Trust The Experts With GenTech

At GenTech, we’re experts in portable and stationary power generation equipment. Whether it’s natural gas or diesel, our trained technicians can help you to select the highest quality fuel for your machine while still balancing the economical aspects. Contact us today to learn more about how we can help.