
Diesel fuel is currently expensive in Ontario, Canada, due to a multitude of factors. Firstly, there is a limited number of refineries in Canada that produce diesel fuel, which increases transport costs in regional markets. Secondly, refineries supplying diesel are also responsible for providing winter home heating fuel, leading to increased demand and prices during the colder months. Additionally, taxes on diesel fuel are designed to recoup road maintenance expenses, further contributing to the high cost of diesel. Other factors include the higher cost of refining crude oil into gasoline, supply and demand, and geopolitical and economic conditions. These factors collectively result in the elevated prices of diesel fuel in Ontario.
| Characteristics | Values |
|---|---|
| Number of refineries in Canada that produce diesel fuel | 3 |
| Demand for diesel fuel | High |
| Supply issues at refineries | Yes |
| Tax structure | High |
| Federal charge on diesel fuel per gallon | 24.4 cents |
| State charge on diesel fuel per gallon | 33.45 cents |
| Federal and Provincial Carbon Tax on diesel fuel per litre | 10.25 cents |
| HST/GST on diesel fuel | 9.2% |
| Wholesale price influencers | North American wholesale markets at certain locations, such as the New York Harbor for Toronto prices and Edmonton for Thunder Bay prices |
| Time of the year | Fall |
| Heating oil production | Increase |
| Additives to prevent gelling/freezing in winter | Increase |
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What You'll Learn
- Diesel is in higher demand during winter due to heating oil production
- There are only three refineries in Canada that produce diesel fuel
- Federal regulations will cost oil refineries billions in forced upgrades
- The price of crude oil, taxes, and supply and demand influence pump prices
- Oil companies can raise prices because consumers will put up with it

Diesel is in higher demand during winter due to heating oil production
Diesel fuel is more expensive in Ontario due to a multitude of factors. One of the main reasons is the higher demand during winter due to heating oil production.
During the winter months, refineries experience a shortage as they switch to a winter blend, which includes an additive to prevent diesel from gelling or freezing. This additive increases the cost of production, which is passed on to consumers. The demand for heating oil during winter pushes up prices through the summer-winter cycle.
Additionally, there are only three refineries in Canada that produce diesel fuel, and they are the same ones that supply winter home heating fuel. This creates a supply issue, as these refineries must meet the demand for both diesel fuel and heating oil. The limited number of refineries and the higher transport costs in regional markets contribute to the increased price of diesel.
The price of diesel is also influenced by the taxes imposed on it. While the tax on diesel in Canada is lower than that of gasoline, the federal and state taxes on diesel fuel are higher than those on gasoline in the United States. These taxes are implemented to recoup road maintenance expenses, as diesel-powered vehicles contribute significantly to the wear and tear of highways.
The cost of crude oil, which is a highly valuable substance, also plays a role in the price of diesel. Turning crude oil into gasoline is an expensive process, requiring significant electricity, labour, transportation, and distribution investments. The price of crude oil is influenced by various factors, including supply and demand, economic conditions, and geopolitics.
Other factors contributing to the high price of diesel in Ontario include supply issues at refineries, the recent fire at the Irving Oil refinery, and the upcoming emissions regulations that will impact diesel-powered vessels. These factors, combined with the higher demand for diesel during the winter, result in the increased price of diesel fuel in Ontario.
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There are only three refineries in Canada that produce diesel fuel
The price of diesel fuel in Ontario is influenced by a variety of factors, including supply and demand, production costs, refining issues, logistics, and taxes. One significant factor contributing to the high price of diesel fuel in Ontario is the limited number of refineries producing diesel fuel in Canada.
The three refineries in Canada that produce diesel fuel are located in Alberta and are known as oil sands upgraders. These facilities convert crude bitumen into synthetic crude oil and refined products such as diesel fuel. The Shell Canada Scotford Upgrader at Fort Saskatchewan has a capacity of 255,000 barrels per day of crude bitumen, while the Suncor Energy upgrader near Fort McMurray can process 440,000 barrels per day. The third refinery's production capacity is unclear, but together, these three refineries have a combined capacity of 1.3 million barrels per day of crude bitumen.
The limited number of refineries producing diesel fuel in Canada can lead to supply constraints, especially when there are issues with production or refining. This can result in a rapid increase in prices as demand outstrips supply. Additionally, the distance between these refineries and Ontario can also impact the cost of transportation, potentially affecting the final price of diesel fuel in the province.
The small number of diesel fuel refineries in Canada highlights the concentration of diesel production in the country. This centralization of diesel fuel production can have significant implications for the supply and pricing of diesel fuel in Ontario and other regions, especially when compared to the more widely available gasoline, which comprises the largest portion of refinery production in Canada.
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Federal regulations will cost oil refineries billions in forced upgrades
Diesel fuel in Ontario is more expensive than gasoline due to a multitude of factors. Firstly, there is a seasonal shortage during the winter months as refineries switch to a winter blend, which includes an additive to prevent diesel from gelling or freezing. This, along with other logistical, refining, and importing issues, contributes to higher prices. Additionally, demand from other markets, such as Chinese truck drivers, can drive up prices.
Federal regulations, such as the Environmental Protection Agency's (EPA) Risk Management Program (RMP) proposal, have also played a role in increasing diesel prices. The RMP aims to enhance safety standards and communicate risks to workers and the public. However, critics argue that it imposes costly and burdensome requirements on refineries, potentially impeding domestic gasoline production and increasing consumer prices.
To comply with the RMP and other environmental regulations, oil refineries may be forced to invest billions in upgrades and modifications to their facilities. For example, Exxon Mobil spent $2 billion on adding a crude distillation unit to process light Permian shale oil, and Chevron spent $475 million to retrofit its refinery in Pasadena, Texas. These upgrades can take years to complete and significantly impact refinery operations and production capacity.
The regulatory burden on refineries has sparked concerns from politicians and industry leaders who worry about the negative consequences for the refining industry and consumers. As a result, refineries may choose to close down rather than incur the significant costs of complying with these regulations, potentially reducing refining capacity and further driving up diesel prices.
Therefore, it is evident that federal regulations have contributed to the high cost of diesel fuel in Ontario by imposing costly requirements on refineries, which may be passed on to consumers in the form of higher prices. The complex interplay between supply, demand, seasonal variations, and government policies all influence the diesel fuel market in Ontario and beyond.
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The price of crude oil, taxes, and supply and demand influence pump prices
The price of diesel fuel in Ontario is influenced by several factors, including the price of crude oil, taxes, and supply and demand.
Crude oil is a highly valuable substance composed of ancient organic matter, and it is the main ingredient in gasoline. The process of turning crude oil into gasoline is expensive, requiring significant electricity, labour, transportation, and distribution investments. The price of crude oil is influenced by various factors, including supply and demand, geopolitics, and economic conditions.
Taxes also play a significant role in diesel prices in Ontario. The federal and provincial governments levy various taxes on diesel fuel, such as the carbon tax, to recoup road maintenance expenses. These taxes contribute to the overall cost of diesel fuel and can impact the affordability of diesel-powered vehicles.
Supply and demand dynamics directly affect diesel prices. There is a limited number of refineries producing diesel fuel in Canada, and transport costs vary across regional markets. Additionally, refineries supplying diesel fuel also provide winter home heating fuel, leading to increased demand and higher prices during the winter months. The transition to a winter blend can also cause a temporary shortage of diesel fuel, further impacting prices.
Demand for diesel fuel is also influenced by its use in heavy truck transport, which accounts for a significant proportion of diesel consumption. The price of diesel can fluctuate due to varying levels of demand from industries relying on diesel-powered vehicles.
Other factors, such as production issues, refining processes, and importing logistics, can also impact diesel prices. Additionally, the price of diesel in Ontario can be influenced by wholesale markets in North America, particularly in locations like New York Harbor for Toronto prices.
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Oil companies can raise prices because consumers will put up with it
Seasonal variations play a role in diesel prices in Ontario. During the fall and winter months, refineries transition to a winter blend, which can lead to a temporary shortage of diesel and drive up prices. Additionally, diesel requires additives to prevent gelling or freezing in colder temperatures, further increasing production costs and, subsequently, consumer prices.
Market demand is another critical factor in diesel pricing. When demand for diesel outstrips supply, prices rapidly increase. This can be influenced by various factors, such as the upcoming requirement for ships to reduce emissions, leading to a shift towards marine diesel. With a limited number of these vessels, the demand for diesel from this sector alone can significantly impact prices.
Oil companies also navigate fluctuations in production costs, which are passed on to consumers. For instance, incidents like the fire at the Irving Oil refinery in New Brunswick, which affected its diesel treatment system, likely contributed to higher prices due to reduced production capacity.
While high oil prices can lead to reduced consumption and a search for alternatives, oil remains a dominant energy source in sectors like transportation and heating. Consumers, particularly those reliant on diesel for their livelihoods, will often continue purchasing despite price increases. This willingness to pay higher prices grants oil companies the ability to raise prices, confident in the knowledge that consumers will bear the burden to maintain their necessary energy sources.
In summary, oil companies possess the ability to raise prices due to a combination of factors, including seasonal variations, market demand, and production costs. Consumers, faced with limited alternatives and a reliance on diesel, often shoulder the burden of higher prices, enabling oil companies to implement these increases.
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Frequently asked questions
There are several reasons why diesel fuel is more expensive in Ontario. Firstly, there is a higher demand for diesel during the winter months as it is used for heating oil production. Secondly, there are only three refineries in Canada that produce diesel fuel, which leads to higher transport costs. Thirdly, taxes and supply issues also play a role in the high price of diesel fuel.
The price of diesel fuel in Ontario is influenced by a variety of factors, including the cost of crude oil, taxes, supply and demand, and refining and importing issues. The price of diesel fuel is also affected by the need to add additives to prevent it from gelling or freezing in the winter.
The price of diesel fuel in Ontario is generally higher than in other provinces or states. For example, Vancouver had the highest average gas prices in Canada in 2023, followed by St. John's, Charlottetown, Montreal, and Halifax. The high prices in Ontario may be due to a variety of factors, including supply issues, taxes, and the influence of the United States economy on Canadian diesel production and offerings.











































