
Diesel fuel, also known as diesel oil, heavy oil, or simply diesel, is a liquid fuel designed for diesel engines. These engines are used in freight and delivery trucks, railways, buses, boats, farms, construction, and military equipment. Diesel fuel is produced from various sources, most commonly petroleum, but also biomass, animal fat, biogas, natural gas, and coal liquefaction. Diesel fuel is typically transported by pipeline from refineries and ports to terminals near major consuming areas, and then by truck to retail service stations and large-volume consumers such as vehicle-fleet operators.
| Characteristics | Values |
|---|---|
| Who buys diesel fuel? | Those running a fleet of trucks, managing a construction site, or operating a farm |
| How do they buy it? | Through a diesel fuel delivery service |
| What are the benefits of a delivery service? | Saves time and money, ensures vehicles are always ready to go, provides high-quality fuel, and offers cloud-based fuel management technology |
| Who are the main providers? | Diesel Direct, Fuel Logic, GasBuddy, and Kenrick Oil |
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What You'll Learn

Diesel fuel delivery services
Fuel delivery companies offer a range of benefits, including 24/7 availability, on-site refueling, and cost savings. By delivering fuel directly to the job site or fleet, these services save businesses time and money, eliminating the need for employees to waste time at the pump.
Leading fuel delivery companies, such as Fuel Logic and Diesel Direct, provide reliable and safe diesel fuel delivery services. With a focus on customer satisfaction, these companies offer expert-trained teams, innovative fuel management technology, and high-quality fuel to meet the diverse needs of their clients.
For instance, Fuel Logic offers nationwide diesel fuel delivery services, catering to various industries, including construction, landscaping, and farming. They provide on-site fueling for tanks and fleets, ensuring that vehicles and equipment are always ready to go. Additionally, they offer a Fuel Savings Calculator and a comprehensive fuel savings plan to help businesses optimize their fuel expenses.
Diesel Direct, on the other hand, specializes in delivering premium-quality diesel fuel to job sites and truck fleets. Their cloud-based fuel management technology enables clients to easily track fuel consumption and inventory, resulting in significant cost and time savings. With a commitment to safety and timely deliveries, Diesel Direct ensures that companies can stay focused on their core operations without worrying about fuel shortages.
Overall, diesel fuel delivery services play a crucial role in supporting businesses that depend on diesel fuel. By providing convenient, efficient, and reliable fuel delivery solutions, these services contribute to the smooth functioning and success of various industries.
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Diesel fuel suppliers
One prominent diesel fuel supplier is Diesel Direct. Diesel Direct provides mobile diesel fuelling services, delivering fuel directly to their customers' job sites or truck fleets. They offer premium-quality diesel fuel, ensuring timely deliveries with their expert team. Diesel Direct also incorporates cloud-based fuel management technology, allowing customers to efficiently track their fuel consumption and inventory levels. With their services, businesses can save time and money while staying fuelled up to maintain their operations.
Fuel Logic is another leading diesel fuel supplier, offering nationwide delivery services in the United States. They understand the critical role of diesel in various operations and are committed to providing reliable, around-the-clock diesel delivery. Fuel Logic prioritises customer satisfaction and ensures the highest quality diesel to optimise the performance of their customers' equipment and vehicles. Their services include on-site fuelling of tanks and fleets, eliminating the need for trips to gas stations and enhancing efficiency for their clients.
In addition, Mobil, associated with Exxon, offers Mobil Diesel Efficient fuel through their network of authorised resellers. This fuel is engineered to improve engine performance, reduce fuel consumption, and lower emissions. It is suitable for both heavy-duty and light-duty vehicles, helping to protect equipment and meet emissions regulations. Mobil works with bulk fuel suppliers and provides industry insights to maximise fleet productivity.
Regional suppliers like Taylor Oil Company, operating in Connecticut, also play a crucial role in diesel fuel supply. Taylor Oil provides 24/7/365 emergency diesel fuel services, ensuring construction businesses have the fuel they need to avoid disruptions. Their mobile on-site delivery services cater to the unique needs of their customers, offering a trusted partnership in the construction industry for over a century.
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Diesel fuel manufacturers
Diesel fuel is made from refined crude oil and contains more energy than gasoline. Natural gas, coal, and animal fat are used in the liquefaction process to create diesel fuel. Biodiesel fuels made from vegetable oils result in a decrease in unburned carbon dioxide and carbon monoxide. Diesel fuel is used in passenger and commercial vehicles, trucks, buses, generators, ships, railways, boats, farms, construction, and military equipment. In some places, diesel fuel is also used in diesel-engine generators to provide energy.
The top diesel fuel manufacturers are ranked by company size. Valero Energy Corporation, a Fortune 500 company, produces and markets electricity, various petrochemical products, and transportation fuels worldwide. The company owns and operates a 50-megawatt wind farm, 11 ethanol plants, and 15 refineries with a throughput capacity of roughly 3 million barrels per day throughout the United States and Canada, and one refinery in Wales. With around 6,800 retail and branded wholesale stores operating under various brands in North America and the United Kingdom, Valero Energy Corporation is a significant player in the diesel fuel market.
Another notable diesel fuel manufacturer is Diesel Direct, which provides mobile diesel fueling services. They deliver premium-quality diesel fuel directly to job sites or truck fleets, ensuring that companies stay fueled up and on time. Diesel Direct utilizes cloud-based fuel management technology to help businesses track fuel management and inventory, providing full control over fuel consumption and supply.
When it comes to diesel engine manufacturers, Caterpillar, Cummins, MAN, Wärtsilä, and Rolls-Royce Power Systems are the top five largest manufacturers in the world. These companies are known for producing reliable and efficient diesel engines used in various industries. Caterpillar's ACERT engine technology and Cummins' electronically controlled fuel system are examples of innovations that have improved fuel efficiency and reduced emissions. Wärtsilä also stands out with its dual-fuel engine technology, allowing engines to run on both diesel and natural gas.
In summary, the diesel fuel market is served by manufacturers such as Valero Energy Corporation and Diesel Direct, while the diesel engine market is dominated by companies like Caterpillar, Cummins, and MAN, offering innovative and efficient solutions for a range of industries.
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Diesel fuel types
Diesel fuel is produced from various sources, the most common being petroleum. Other sources include biomass, animal fat, biogas, natural gas, and coal liquefaction. Diesel fuel is any liquid fuel specifically designed for use in a diesel engine, a type of internal combustion engine. Diesel fuel originated from the experiments of Rudolf Diesel for his compression-ignition engine in the 1890s.
The different types of diesel fuel are distinguished by their source, composition, and additives. The most common type of diesel fuel is a specific fractional distillate of petroleum fuel oil, known as petrodiesel in academic circles. Petroleum diesel is produced by the fractional distillation of crude oil at high temperatures and atmospheric pressure, resulting in a mixture of carbon chains. This process yields various types of fuels, including diesel. Diesel fuel grades are classified by cetane number, cloud point, and pour point. The cetane number indicates how quickly the fuel ignites, the cloud point marks the temperature at which wax crystals form, and the pour point is the lowest temperature at which the fuel remains liquid.
There are several specific types of diesel fuel:
- Ultra-Low Sulfur Diesel (ULSD): This type of diesel has substantially lowered sulfur content, resulting in lower emissions, better engine performance, and improved fuel economy. It has good cold flow properties, making it suitable for cold weather.
- Dyed Diesel: This type of diesel is dyed red to distinguish it as off-road diesel, which is used for equipment and vehicles not operated on public roadways, such as farm equipment and construction equipment. Using dyed diesel on the road is illegal in many places and can damage engines.
- Biodiesel: Biodiesel is made from renewable sources like vegetable oil or animal fats and can be mixed with any grade of fuel. It improves lubrication, reduces engine wear, and is considered a cleaner alternative to diesel derived from petroleum. However, using too much biodiesel can cause performance and compatibility issues.
- Premium Diesel: Some retailers offer premium diesel, which is Grade 2-D with additives that promise better fuel economy and smooth engine performance.
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Diesel fuel uses
Diesel fuel, also known as diesel oil, heavy oil, or simply diesel, is a liquid fuel designed for use in diesel engines. Invented by Rudolf Diesel, it was first tested with illuminating gas as fuel in the late 1890s, and later with coal dust, which Diesel had originally intended as the primary fuel source. Diesel engines typically ran on cheap fuel oils before standardization. Diesel is a high-volume product of oil refineries and is standardized in many countries.
Diesel fuel is commonly used in motor vehicles, especially those with compression ignition engines. This includes freight and delivery trucks, trains, buses, boats, and farm, construction, and military vehicles. Diesel engines are preferred in these industries because they offer a wide range of performance, efficiency, and safety features. Diesel fuel is less flammable and less explosive than other fuels, and diesel engines are less likely to stall.
In addition to vehicles, diesel fuel is used in diesel-engine generators to produce electricity. These generators are often used as a backup or emergency power supply in industrial facilities, large buildings, hospitals, and remote villages that rely on electricity.
Diesel fuel has a greater energy density than other liquid fuels, providing more useful energy per unit of volume. While petroleum-based diesel was once the norm, biodiesel and renewable diesel are becoming more popular. Colloquial names for diesel fuel include "white diesel" in the United Kingdom, "distillate" in Australia, and "Solar" in Indonesia, Israel, and most of the Middle East.
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Frequently asked questions
Diesel fuel, also known as diesel oil, heavy oil, or simply diesel, is a liquid fuel used in diesel engines. Diesel engines are a type of internal combustion engine where fuel ignition occurs without a spark due to the compression of inlet air and subsequent fuel injection.
Diesel fuel is primarily made from the fractional distillation of crude oil, resulting in a mixture of carbon chains. Other sources include biomass, animal fat, biogas, natural gas, and coal liquefaction.
Diesel fuel is commonly used in freight and delivery trucks, railways, buses, boats, farms, construction equipment, military equipment, and certain automobiles and light trucks. Diesel fuel is also used in diesel-engine generators to provide energy in isolated settlements.
Large-volume consumers of diesel fuel include vehicle-fleet operators, such as companies with truck fleets.
Diesel fuel can be purchased at retail service stations. Companies like Diesel Direct also provide diesel fuel delivery services directly to job sites or truck fleets.











































