What Determines Gas Prices? (2024)

When gasoline prices rise, consumers certainly notice. That attention often makes rising gasoline prices (although, less so falling ones) a perennial hot-button political issue, with the oil industry and politicians occasionally trading blame for the rising costs.

But there's no single person who controls gas prices. Instead, gas prices are controlled by the market forces of supply and demand. Here, we take a look at the factors that affect the price of gasoline.

Key Takeaways

  • Gasoline prices are determined largely by the laws of supply and demand.
  • Gasoline prices cover the cost of acquiring and refining crude oil as well as distributing and marketing the gasoline, in addition to state and federal taxes.
  • Gas prices also respond to geopolitical events that impact the oil market.
  • Because consumers are slow to respond to changes in gasoline prices, they can move rapidly to balance supply and demand.
  • Gas prices are so noticeable their rise often sparks arguments about who is to blame.

Oil Prices: The Crude Reality

Crude oil is the raw commodity used to make gasoline, so crude oil prices play the most important role in setting gasoline prices. According to the U.S. Energy Information Administration, the price of crude oil accounted for 56% of the price of gasoline in the decade through 2020, on average. But, that average conceals wide fluctuations. In 2020, with crude prices down sharply amid the COVID-19 pandemic, crude accounted for just 43% of gasoline costs. But in 2022, with the Russian invasion of Ukraine, both oil and gas prices have shot up again.

Crude oil is the most widely traded global commodity and among the most widely used. Crude prices trade in deep and liquid global markets. The market power of groups including OPEC and international oil companies has diminished over time with the development of alternative sources of supply and growth in demand from developing countries.

Not all grades of crude oil are equally useful for making gasoline. Lighter crude—oil that is less dense—will produce more gasoline per barrel than heavy crude. Sweet crude, meaning better-quality grades with lower sulfur content, is preferable to sour crude, which has more sulfur.

At the local level, the preferable crude grade is one likely to yield the most profit given the processing capabilities of a given refinery. Costlier light sweet crude is no prize for a refinery equipped to process heavy sour grades.

Refining Has a Price

No matter the crude grade, putting it into the gas tank of a car won't get you anywhere but to a repair shop. Hence the need to pay refiners to distill crude oil into gasoline and mix in the required additives.

In the decade through 2020 refining costs and profits accounted for 14% of the retail price of gasoline, on average. Gasoline production costs vary with seasonal and regional blending requirements designed to reduce pollution, as well as the cost of required additives including ethanol.

The price of wholesale gasoline partly reflects supply and demand factors distinct from those for crude oil. For example, U.S. gasoline prices typically rise in the summer in response to higher demand. U.S. refining capacity increased less than 1% in the decade through 2021, lagging growth in demand. Increased U.S. exports of gasoline have further constrained domestic supply.

When gasoline prices rise, suppliers tend to get blamed. When gas prices rose to all-time highs in 2008, a CNN poll at the time found that 62% of respondents blamed rising gasoline prices on "unethical behavior" by suppliers, versus 32% who cited supply and demand. In remarks made by the American Fuel and Petrochemical Manufacturers, an oil industry group, they stated that members do not set prices.

The 42-gallon barrel of crude oil yields 19 to 20 gallons of gasoline along with 11 to 12 gallons of fuel oil.

Distribution and Marketing

Once crude is refined into gasoline, the fuel has to be shipped to a storage tank, and eventually distributed to local gas stations. Those stations require staff and maintenance. Distribution and marketing costs accounted for 14% of the U.S. retail price of gasoline in the decade through 2020, on average.

Distributors and marketers have, like suppliers, come under fire for their alleged role in manipulating gas prices. The FTC said in September 2021 that it would oppose mergers providing increased opportunities for "potential price coordination and other collusive practices in the retail fuel industry."

In November 2021, U.S. President Joe Biden asked the Federal Trade Commission (FTC) to probe "whether potentially illegal and anti-competitive behavior in the oil and gas industry is causing higher prices for consumers."

Enter the Taxman

State and local taxes accounted for 16% of the retail gasoline price in the decade through 2020. Federal taxes and fees were 18.4 cents per gallon for gasoline and 24.40 cents per gallon for diesel as of July 1, 2021. State taxes averaged 30.63 cents per gallon for gasoline and 32.29 cents per gallon for diesel as of the same date.

State gasoline taxes ranged from a high of 58.8 cents per gallon in California to a low of 8.95 cents per gallon in Alaska as of Jan. 1, 2022.

The federal gasoline tax rate has not changed since 1993. Many state tax rates on gasoline have recently increased, in contrast, to help road repair spending keep up with inflation amid recently depressed demand. Virginia most recently raised its tax by 5 cents per gallon in July 2021, while New Jersey increased its gasoline tax by 9.3 cents per gallon in October 2020.

Gasoline taxes can be much higher overseas, recently averaging about $4 per gallon in western Europe.

Consumer Demand

Consumer demand also plays an important role, its rebound since the early stages of the COVID-19 pandemic accounting for much of the rise in retail gasoline prices from their 2020 average of $2.17 per gallon. U.S. gasoline consumption plummeted in 2020 amid COVID-19 restrictions but largely rebounded in 2021. Gasoline prices can range widely to balance supply and demand because U.S. consumers tend to be slow to adjust the amount of driving they do in response to changes in the price of gasoline.

What Was the Highest Average Price Per Gallon of Gas in the U.S.?

The all-time inflation-adjusted high for the average gas price in the U.S. was $5.38 a gallon for regular unleaded (in today's dollars), which was set in June of 2008.

How Much Was a Gallon of Gasoline in the U.S. in each Decade?

Gasoline prices in 1930 were on average $0.30 per gallon of regular unleaded ($3.44 in Jun 2022 dollars)

  • 1940: $0.18 ($3.69)
  • 1950: $0.27 ($3.28)
  • 1960: $0.31 ($3.03)
  • 1970: $0.35 ($2.61)
  • 1980: $0.86 ($3.01)
  • 1990: $1.00 ($2.23)
  • 2000: $1.51 ($2.53)
  • 2010: $2.70 ($3.70)
  • 2020: $2.17 ($2.43)

Which State Has the Highest (and Lowest) Gas Prices in the U.S.?

As of June 2022, California, followed by Nevada, Illinois, and Hawaii. The lowest gas prices are found in Georgia, Arkansas, and Mississippi.

The Bottom Line

Like crude, gasoline is a widely traded commodity and its wholesale prices are set in deep and competitive markets. Large gasoline distributors can wield a lot of market power at the local level, and have recently drawn official scrutiny. In general, blame for higher gasoline prices directed at a particular politician or an industry deserves to be examined skeptically. The president nor state governors can do much, except when it comes to the gas tax (and in the U.S. these taxes are far lower than other places in the world).

As an expert in energy markets and the factors influencing gasoline prices, I've delved deep into the dynamics that shape the volatile landscape of the oil and gas industry. My extensive knowledge is not merely theoretical but grounded in a profound understanding of the intricate web of elements that determine the cost of gasoline.

Firstly, let's explore the crux of the matter: crude oil, the lifeblood of the industry. Crude oil prices are pivotal, constituting a substantial portion of gasoline costs, as highlighted by the U.S. Energy Information Administration. Over the past decade, crude oil prices accounted for an average of 56% of gasoline prices, with notable fluctuations. In 2020, amid the COVID-19 pandemic, crude prices plummeted, reducing their share to 43%. Conversely, events such as the Russian invasion of Ukraine in 2022 led to a surge in both oil and gas prices.

Understanding the nuances of crude oil is imperative. Not all crude grades are equal, and factors like density and sulfur content play a crucial role. Lighter, sweeter crude is preferred, as it yields more gasoline per barrel and is conducive to profitable refining processes. The global market for crude oil, marked by the influence of entities like OPEC, has evolved with the rise of alternative supply sources and increased demand from developing nations.

Moving beyond crude, the refining process is integral to transforming raw oil into usable gasoline. Refining costs and profits, averaging 14% of retail gasoline prices over the last decade, vary based on seasonal and regional blending requirements and the need for additives like ethanol. The dynamics of the refining industry are essential to understanding the market forces at play.

Distribution and marketing, responsible for 14% of retail gasoline prices, come into focus once gasoline is refined. The logistics of transporting gasoline from storage to local stations, coupled with maintenance and staffing costs, add to the overall price structure. Distributors and marketers have faced allegations of manipulating prices, prompting regulatory scrutiny, as evidenced by the Federal Trade Commission's stance.

Taxes are a significant component, both at the state and federal levels. State and local taxes accounted for 16% of retail gasoline prices, while federal taxes and fees contributed 18.4 cents per gallon for gasoline as of July 1, 2021. The impact of taxes on prices varies widely, with state gasoline taxes ranging from 8.95 cents per gallon in Alaska to 58.8 cents per gallon in California as of January 1, 2022.

Consumer demand is a dynamic factor that plays a pivotal role. The rebound in demand post-COVID-19 restrictions significantly influenced the surge in retail gasoline prices from the 2020 average of $2.17 per gallon. U.S. consumers' slow response to changes in gasoline prices contributes to the rapid adjustments needed to balance supply and demand.

In conclusion, the intricate interplay of factors, including crude oil prices, refining costs, distribution logistics, taxes, and consumer demand, collectively determines gasoline prices. Blaming a particular entity, be it politicians or the oil industry, warrants a skeptical examination. Gasoline prices are a complex outcome of market forces, and understanding these dynamics is crucial for informed discourse on this perennial hot-button political issue.

What Determines Gas Prices? (2024)
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