
No. 2 fuel oil, also known as heating oil, is a type of fuel commonly used in the United States for building heat. The price of No. 2 fuel oil can vary depending on location and market conditions. For example, the New Hampshire Department of Energy reported an average price of $3.56 per gallon, while the New York State Energy Research and Development Authority provides a dashboard for New York residents to monitor current and historical residential retail prices for heating oil in their region. Understanding the pricing of No. 2 fuel oil is essential for consumers and businesses, especially during critical winter months when heating demands are higher.
No. 2 Fuel Oil Characteristics
| Characteristics | Values |
|---|---|
| Price per gallon | $3.56 |
| State monitoring | New Hampshire, New York |
| Dye colour | Reddish |
| Molecular composition | Aliphatic hydrocarbon molecules, Aromatic hydrocarbon molecules, Alkenes |
| Percentage composition | 90% hydrogen-soaked paraffins and naphthenes, 10-20% aromatics, 1% alkenes |
| Weight | Heavier than No. 1 oil |
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What You'll Learn

No. 2 oil is stained red, No. 2 diesel is taxed
No. 2 fuel oil, also known as No. 2 heating oil, is commonly used for heating buildings. It is structurally similar to diesel fuel, with both containing a combination of aromatic and aliphatic hydrocarbon molecules. However, No. 2 oil is stained red, while No. 2 diesel fuel is taxed for road use.
No. 2 oil is stained red to distinguish it from diesel fuel. This red dye is very potent, with just one ounce capable of dyeing approximately 250 gallons of fuel oil. The red colour is an indicator that the fuel is intended for off-road use and is therefore untaxed. This type of fuel is typically used in tractors, diesel generators, power washers, and vehicles for tax-exempt organisations such as state DOT trucks and fire trucks.
Using untaxed fuel on the roads is illegal, as fuel tax is one of the funds used to maintain roads. To enforce this, authorities may test fuel tanks for the presence of red diesel, and fines may be imposed if any trace of red fuel is detected. While gas stations typically do not offer red diesel, it can be found at rural fuel stops and Co-Ops in some regions.
No. 2 diesel, on the other hand, is taxed for road use. It is a common type of diesel fuel that is used in vehicles such as cars and trucks. The taxation on this fuel contributes to the funding of road maintenance and infrastructure projects. While No. 2 diesel and No. 2 oil share similar molecular structures, their intended use and taxation status differ, hence the distinction in their colouring.
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Retail prices are determined by the free market
The retail price of No. 2 fuel oil, like other fuel products, is determined by the free market. Retail prices for "deliverable fuels" such as propane, fuel oil, kerosene, diesel fuel, and gasoline are not controlled by government regulation but are instead influenced by market forces. The primary factor influencing fuel prices is the cost of crude oil, which accounts for more than half of the amount paid per gallon of gasoline. Crude oil prices are impacted by supply and demand, and when demand exceeds supply, prices increase. Market forces, such as supply and demand, work behind the scenes to significantly impact the final price of fuel.
Other factors that influence the retail price of fuel in the free market include refining costs, taxes, and marketing costs. Refining costs vary depending on the final product's specifications and any additives used. For example, summer gasoline requires low vaporization rates to reduce air pollution, increasing production costs. Additionally, higher-octane gasoline, which delivers greater power and performance, is more expensive to manufacture.
Marketing costs are also included in the retail price of fuel, and these costs can vary depending on location, competition, and individual marketing strategies. The overall cost of distribution and marketing can account for a significant portion of the price per gallon of fuel. Taxes and fees also contribute to the retail price of fuel, with excise taxes levied at both the national and state levels to fund road and highway construction and maintenance.
The retail price of No. 2 fuel oil, therefore, reflects the interplay of various market forces and factors in the free market, including the cost of crude oil, refining costs, taxes, and marketing costs. These factors collectively determine the price that consumers pay for No. 2 fuel oil at the pump.
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No. 2 oil is used in heating buildings
No. 2 fuel oil, also known as heating oil, is widely used in the United States and Canada, particularly in the northeastern states. It is a tax-free fuel that is commonly used for heating homes and buildings during the cold winter months.
No. 2 fuel oil is derived from crude oil or petroleum and is often referred to as home heating oil or furnace fuel oil. It is chemically very similar to diesel fuel but is intended for boilers and furnaces instead of vehicles. The use of No. 2 fuel oil in cars is illegal due to tax regulations. When burned, it produces contaminants such as sulfur and nickel, and it does not produce a clean burn, making it unsuitable for indoor use.
No. 2 fuel oil is typically delivered by tank trucks and stored in above-ground storage tanks (ASTs) located in basements, garages, or outside adjacent to the building. The storage tanks must comply with specific regulations to ensure safety and prevent pollution. These regulations include the requirement for a secondary unit or bund to contain any spills or leaks, as well as the installation of drip trays and automatic overfill prevention mechanisms.
The price of No. 2 fuel oil can vary, with the New Hampshire Department of Energy reporting an average price of $3.56 per gallon. The Department of Energy also tracks the prices homeowners pay for home heating fuel, including oil and propane. No. 2 fuel oil is the most widely used home heating option due to its high heat output and efficiency, especially in the Northeastern United States.
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No. 2 oil is heavier than No. 1 oil
Number 2 fuel oil, also known as "home heating oil" or "regular fuel oil", is a distillate heating oil used in boilers and furnaces to heat homes. It is the most commonly used fuel oil and is known to generate the largest amount of heat, as can be seen from its British Thermal Unit (BTU) rating. Number 2 fuel oil is heavier than Number 1 fuel oil, which is a volatile distillate oil intended for vaporising pot-type burners and high-performance/clean diesel engines. Number 1 fuel oil is also known as diesel no. 1, kerosene, and jet fuel. It is a derivative of kerosene, which is the lightest fuel oil and is made through the refinement and filtration of Number 1 fuel oil. Kerosene has a low viscosity and boiling point and is frequently used as a power source for portable heating units.
Number 1 fuel oil is a heavier version of kerosene, with more impurities and a higher viscosity. It is used as a source of energy for outdoor stoves and portable heaters. Due to its heavier nature, its use is generally limited to outdoors, as it releases more impurities into the air that can be harmful when breathed in over time. Number 1 fuel oil can be blended with diesel for residential heating. Number 2 fuel oil, on the other hand, is used for home heating and is untaxed. It has a higher boiling point, is more viscous, and is less refined than kerosene. It produces more British Thermal Units (BTUs) than Number 1 fuel oil when burning.
The boiling point, carbon chain length, and viscosity of the fuel oil increase with the fuel oil number. The heaviest oil must be heated to flow. Number 2 fuel oil is heavier than Number 1 fuel oil, but it is still usually lighter than water. It is also lighter than Number 6 oil, which requires heating to be pumped and can congeal into a tarry semisolid at cooler temperatures. Number 2 fuel oil is similar to diesel fuel, but the two are used for different purposes. Number 2 fuel oil is not to be used in cars as it is illegal and can result in charges.
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Crude oil prices impact No. 2 oil prices
The price of No. 2 fuel oil is influenced by various factors, including the cost of crude oil, which is a significant contributor. Crude oil prices have historically experienced fluctuations, with notable spikes in the 1970s due to the oil crises and other political events. The global price of crude oil remained relatively stable in the nineteenth and early twentieth centuries but has since been subject to more volatile changes.
Crude oil prices are determined by a combination of supply and demand dynamics, economic growth, and geopolitical factors. For instance, the 2014–2015 oil glut led to a significant decline in global oil prices, causing a 70% drop, one of the most substantial decreases since World War II. Conversely, when the EU imposed new restrictions on Russian oil in 2022, the price of Brent crude surged to over $120 per barrel. These fluctuations in crude oil prices have a direct impact on the pricing of refined petroleum products, including No. 2 fuel oil.
The relationship between crude oil and No. 2 fuel oil prices is intricate and influenced by additional factors. The cost of No. 2 fuel oil is also shaped by market conditions, refinery capabilities, and distribution costs. Retailers take into account their own expenses and franchise requirements when setting prices for consumers. Therefore, the pricing of No. 2 fuel oil can vary across different regions and distributors.
Moreover, the production and supply of No. 2 fuel oil can be influenced by broader energy market trends. For example, the U.S. shale revolution, described as the "New Oil Order" by Goldman Sachs, has introduced a new era of volatility in global energy markets. This structural shift has impacted the pricing dynamics of oil and kept prices lower for an extended period.
In summary, the price of No. 2 fuel oil is influenced by the cost of crude oil, market dynamics, and broader energy trends. While crude oil prices play a significant role, the pricing of No. 2 fuel oil is also shaped by various other factors that contribute to the overall volatility and complexity of the energy market. As of July 2025, the average price of No. 2 fuel oil in New Hampshire was $3.56 per gallon, reflecting the combined influences of these factors on the fuel oil market.
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Frequently asked questions
No. 2 fuel oil is a type of heating oil that is structurally similar to diesel fuel. It is stained with a reddish dye and is heavier than the No. 1 variety.
The cost of No. 2 fuel oil varies depending on location and market conditions. As of July 2025, the average price per gallon in the US was approximately $3.56.
The price of No. 2 fuel oil is determined by the free market and can be influenced by various factors, including production costs, franchise owner requirements, and crude oil prices.
The US Department of Energy's State Heating Oil and Propane Program (SHOPP) monitors fuel prices, including No. 2 heating oil. Organizations like the Federal Reserve Bank of St. Louis also provide data on fuel prices. Additionally, specific states, such as New Hampshire, publish their fuel price averages.










































