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ADVANTAGES OF DIESEL ENGINES

Jun. 15, 2023

ADVANTAGES OF DIESEL ENGINES

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Modern diesel engines offer numerous advantages, extending beyond their exceptional fuel and energy efficiency. Among these benefits, some are of an emotional nature. For over a century, individuals have relied on diesel engines to kick-start their workdays. However, with mounting regulations addressing the environmental impact of this economy, innovative aftertreatment systems and state-of-the-art engineering now enable owners to operate with net zero emissions while incorporating biodiesel blends into their operations. By addressing diesel's primary drawback—its environmental impact—these advancements position diesel as a viable contender in fueling the future.

 

Now, let's delve into an overview of the four key advantages offered by modern diesel engines.

ADVANTAGE 1: IMPRESSIVE FUEL ECONOMY OF DIESEL

Diesel vehicles outshine their gasoline counterparts when it comes to fuel efficiency, offering a remarkable 20% to 35% greater mileage on a single gallon of fuel, considering vehicles of similar size. Even in comparison to biodiesel, low-sulfur diesel stands out as the superior choice in terms of fuel economy. For instance, according to the US Department of Energy Alternative Fuels Data Center, B100 biodiesel is approximately 7% less efficient than diesel. However, B20 biodiesel, which is a blend of 20% biodiesel and 80% regular diesel, showcases a fuel efficiency potential that is comparable to traditional diesel.

 

When examining passenger vehicles, a study by The Motley Fool revealed that diesel vehicles exhibit 29% higher efficiency on highways and 24% higher efficiency in city driving conditions compared to their gasoline counterparts. For commercial vehicles, diesel remains the top choice in areas lacking natural gas or hydrogen infrastructure. Even in regions with such infrastructure, diesel continues to be favored for its performance and availability.

ADVANTAGE 2: REDUCED MAINTENANCE REQUIREMENTS OF DIESEL ENGINES

Diesel engines necessitate less maintenance compared to gasoline engines. This is primarily due to their simpler construction and fewer moving parts. With fewer components, there are fewer possibilities for wear and breakdown. Unlike gasoline engines, diesel engines do not require spark plugs or distributor caps, eliminating the need for periodic replacement or repair. The inherent strength and durability of diesel engines contribute to their extended lifespan. It is not uncommon for a diesel engine to continue running smoothly even after surpassing 200,000 miles, with the engine only beginning to reach its optimal performance level.

ADVANTAGE 3: HIGH TORQUE OUTPUT OF DIESEL ENGINES

One of the most apparent advantages of diesel engines is their exceptional torque output. This benefit is evident even to individuals with limited knowledge about automobiles. Simply observe the types of vehicles equipped with diesel engines, and you'll notice that they are predominantly hardworking ones. Torque and horsepower are interconnected; horsepower relies on torque to exist. Torque refers to the rotational force exerted by the engine's shaft, which translates into work. The work accomplished is measured in horsepower and represents the engine's capability. Diesel engines are renowned for generating substantial amounts of both torque and horsepower, and they can sustain these levels over prolonged periods.

ADVANTAGE 4: EXTENDED LIFESPAN OF DIESEL ENGINES

Diesel engines are renowned for their robust construction, designed to withstand high compression and demanding workloads. As a result, they boast a remarkable lifespan. At Cummins, we are dedicated to ensuring the longevity of our engines while reducing the maintenance burden on owners. Our diesel engine lineup incorporates various features that contribute to their extended lifespan and reduced upkeep requirements. These include simplified aftertreatment systems, longer intervals between oil changes, and maintenance-free filters, among others. These innovations not only enhance the financial aspects of ownership but also enable diesel engines to continue performing the vital task of transporting goods and people reliably and efficiently.


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