
Diesel is a type of fuel oil, which is a liquid petroleum product burned to generate heat or power. Diesel fuel is structurally comparable to oils used in heating buildings, such as No. 2 fuel oil. No. 1 fuel oil, also known as kerosene, stove oil, or range oil, is a light distillate fuel oil with a distillation temperature of 400-550 degrees Fahrenheit. It is primarily used in portable outdoor stoves and heaters. No. 2 fuel oil, on the other hand, is commonly used for heating homes and has a reddish dye to distinguish it from taxed diesel fuel. While diesel is used in high-speed engines such as those in trucks and cars, No. 1 and No. 2 fuel oils are used for different purposes, mainly heating and industrial applications.
| Characteristics | Values |
|---|---|
| Type | Light distillate fuel oil |
| Distillation Temperature | 400°F at the 10% recovery point, 550°F at the 90% point |
| Usage | Portable outdoor stoves, portable outdoor heaters, high-speed diesel engines |
| Similarity to Kerosene | Yes |
| Sulphur Content | Ultra-low |
| Volatility | High |
| Density | Low |
| Flash Point | >125°F |
| Cetane Number | 40 |
| Boiling Point | 175-600°C |
| Carbon Chain Length | 20-70 atoms |
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What You'll Learn

No. 1 fuel oil is used for portable stoves and heaters
No. 1 fuel oil is a light distillate fuel oil that has a distillation temperature of 400°F at the 10% recovery point and 550°F at the 90% point. It is primarily used as fuel for portable outdoor stoves and heaters.
No. 1 fuel oil is a popular choice for those who need portable sources of heat, especially if they are working outdoors. It is also commonly used in homes that are off-grid or experience frequent power outages. Heating oil produces more heat per gallon than other fuels like natural gas and propane, making it a cost-effective option for homeowners. It is also easily available, even in rural areas, and is unaffected by price fluctuations, enabling more predictable heating costs.
No. 1 fuel oil is also known as kerosene or diesel. Kerosene is created by further refining and filtering No. 1 fuel oil to make it cleaner and purer. It is one of the lightest oils available, with a lower boiling point than other fuel oils. Kerosene is a popular choice for indoor heating as it is one of the cleaner-burning fuels available. It is also used in kerosene lamps for emergency lighting.
No. 1 fuel oil is different from No. 2 fuel oil, which is used for heating buildings and as a diesel fuel for high-speed engines in vehicles like trucks and automobiles. No. 2 fuel oil is also untaxed and is dyed red to differentiate it from taxed diesel fuel.
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It is less viscous than No. 2 heating oil
No. 1 fuel oil is a light distillate fuel oil that has distillation temperatures of 400 degrees Fahrenheit at the 10-percent recovery point and 550 degrees Fahrenheit at the 90-percent point. It is primarily used as fuel for portable outdoor stoves and heaters. It is also known as kerosene, which is more refined than No.1 diesel to remove more sulfur. Kerosene is usually sold in containers, but some places have it in bulk.
No. 2 fuel oil, on the other hand, is a petroleum distillate that can be used as either a diesel fuel or a fuel oil. It has a distillation temperature of 640 degrees Fahrenheit at the 90-percent recovery point. It is used in high-speed diesel engines, such as those in railroad locomotives, trucks, and automobiles. It is also used for heating buildings and is chemically similar to diesel fuel.
No. 1 fuel oil is less viscous than No. 2 heating oil. This means that it will stay loose even in colder weather. If your home heating system uses fuel from an outdoor, above-ground fuel tank, it is recommended to use No. 1 fuel oil to prevent the oil from turning into sludge. However, No. 1 fuel oil is heavier, has a higher viscosity, and contains more impurities than No. 2 fuel oil. It cannot be used indoors as it doesn't produce a clean burn, and its exhaust fumes can be harmful if inhaled.
To make No. 2 heating oil less viscous, it can be blended with No. 1 heating oil to create a "kerosene mix". This blend is cleaner-burning and easier on furnaces or boilers. Additionally, diesel fuel can be mixed with No. 1 fuel oil to minimize sludge formation during winter. However, it is recommended to consult a heating expert before mixing diesel fuel with No. 1 fuel oil.
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It is a light distillate fuel oil
No. 1 Fuel Oil is a light distillate fuel oil. It has a distillation temperature of 400 degrees Fahrenheit at the 10-percent recovery point and 550 degrees Fahrenheit at the 90-percent point. It meets the specifications defined in ASTM Specification D 396.
Light distillate fuel oils are products of oil processing and are usually grouped into three categories: light distillates (LPG, gasoline, naphtha), middle distillates (kerosene, diesel), and heavy distillates and residuum (fuel oil, lubricating oils, wax, tar). Light distillate fuel oils are lighter than middle and heavy distillates.
No. 1 Fuel Oil is primarily used as fuel for portable outdoor stoves and heaters. It is also used in high-speed diesel engines, such as those in city buses and similar vehicles.
Light distillate fuel oils, such as No. 1 Fuel Oil, have a lower volatility and density than medium and heavy distillates. They are used in a wide variety of applications, including pocket lighter fuels, camp stove fuels, charcoal starter fluids, paint thinners, dry cleaning solvents, and automotive fuel treatments.
Kerosene, which is a type of light distillate fuel oil, is supposed to be more refined than No. 1 Diesel to remove more sulfur. It is also sold as "deodorized," which results in less smell when burned compared to standard kerosene.
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It is similar to kerosene
Diesel No. 1, also known as kerosene, is a lighter type of diesel. It is primarily used as fuel for portable outdoor stoves and heaters, and for off-road vehicles. It is also used in farming equipment. Kerosene is highly refined, which makes it more expensive than diesel. It is also dryer than diesel, which can cause issues with injection pumps.
Kerosene is also known as No. 1 fuel oil, which is a light distillate fuel oil with distillation temperatures of 400 degrees Fahrenheit at the 10-percent recovery point and 550 degrees Fahrenheit at the 90-percent point. It meets the specifications defined in ASTM Specification D 396.
No. 2 fuel oil, on the other hand, is a medium distillate fuel with a lower volatility and higher density than No. 1. It is used in heavier-duty engines, such as railroad engines. It has a distillation temperature of 640 degrees Fahrenheit at the 90-percent recovery point and meets the specifications defined in ASTM Specification D 975.
Kerosene and Diesel No. 1 are very similar, with some people claiming that they are the "same stuff". However, kerosene is generally considered to be more refined than Diesel No. 1, with less sulfur content. Kerosene is also available in a deodorized version, which burns with less smell than standard kerosene or Diesel No. 1.
In terms of cost, kerosene is typically more expensive than Diesel No. 1 due to its higher level of refinement. However, this can vary depending on location and other factors.
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It is used in winter blends to reduce sludge
Diesel No. 1 fuel, also known as Kerosene or K-1 Kero, is a light distillate fuel oil with a distillation temperature of 400°F at the 10% recovery point and 550°F at the 90% point. It is primarily used as fuel for portable outdoor stoves and heaters.
Diesel No. 2 fuel, on the other hand, is a medium distillate fuel with a higher density and lower volatility than No. 1. It is used in high-speed diesel engines such as those in trucks, automobiles, and railroad locomotives.
During the winter, the blending of diesel fuel is adjusted to improve its performance in cold weather. This is because diesel fuel is prone to the development of wax crystals and gelling at low temperatures, which can clog fuel filters and lead to engine damage.
No. 1 Diesel is used in winter blends to reduce sludge and wax crystal formation. When No. 2 diesel cools during cold overnight temperatures, wax crystals can develop, causing the fuel to look cloudy and thick, and leading to issues such as poor starts, stalling, and engine damage. By blending No. 2 diesel with No. 1 diesel, the cloud point, or the temperature at which wax begins to crystallize, is lowered. This prevents the fuel from reaching the cloud point and mitigates the negative effects of wax crystal formation.
In regions with colder weather, gas stations often offer both No. 1 and No. 2 fuels at the same pump, allowing drivers to create their own winter blends. While No. 1 fuel is more expensive and has a lower BTU rating than No. 2, it is effective at reaching target temperatures and preventing the functional difficulties associated with wax crystal formation in diesel fuel during winter.
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Frequently asked questions
No. 1 fuel oil is a light distillate fuel oil with distillation temperatures of 400 degrees Fahrenheit at the 10-percent recovery point and 550 degrees Fahrenheit at the 90-percent point. It is primarily used as fuel for portable outdoor stoves and heaters.
No. 1 fuel oil is less viscous than diesel fuel, allowing it to stay loose in colder weather. It is also similar to kerosene, which is more refined than diesel to remove more sulfur. No. 1 fuel oil is also untaxed, while diesel fuel is taxed.
Diesel fuel is a type of fuel oil derived from crude oil or petroleum. It is used in engines for power generation and vehicles such as cars, SUVs, and trucks. Diesel fuel has a lower sulphur content than gas oil, which can cause issues in newer plant machinery.










































