
The amount of fuel consumed by a car in a year depends on various factors, including the average miles travelled, fuel efficiency of the car, type of fuel, and engine size. The average American driver spends about $3,000 per year on gas, with fuel costs being a major expense for most drivers. Fuel economy is an important consideration for consumers, with governments and organisations urging drivers to maintain adequate tyre pressure and careful acceleration/deceleration habits to improve fuel efficiency. Carpooling, driving smaller cars, and choosing vehicles with smaller engines can also significantly reduce fuel consumption and costs.
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What You'll Learn

Average fuel use per vehicle
The average fuel consumption per vehicle varies depending on several factors. The average American driver spends about $3,000 per year on gas, according to the American Automobile Association. The amount of fuel used depends on the average miles travelled per year, the type of vehicle, and the fuel economy of the vehicle.
The type of vehicle plays a significant role in fuel consumption. For example, Class 8 trucks, which travel long distances with heavy loads, consume more fuel than any other vehicle type. Similarly, refuse trucks and transit buses are fuel-inefficient due to their drive cycles and heavy loads. On the other hand, demand response vehicles, delivery trucks, and school buses have higher fuel economy, resulting in reduced annual fuel use.
The size and engine power of a car also impact fuel consumption. A smaller car, such as a sedan, typically uses less fuel than a large SUV. Additionally, a car with a smaller and less powerful engine will be more fuel-efficient. For instance, a car with a four-cylinder engine may be more economical than one with an eight-cylinder engine, unless you routinely haul heavy loads.
Fuel consumption is also influenced by maintenance and driving habits. Properly maintaining your vehicle can improve fuel efficiency. For example, fixing a faulty oxygen sensor can increase mileage by up to 40%. Keeping tires properly inflated can reduce fuel consumption by up to 3%. Additionally, removing roof racks or boxes when not in use and ensuring signs or cargo on the roof are angled forward to reduce drag can also help. Planning routes to minimise stops and diversions and maintaining steady speeds on highways can further enhance fuel efficiency.
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Average fuel costs
The average fuel cost depends on several factors, including the vehicle type, miles driven, fuel economy, and local fuel prices.
Vehicle Type
The type of vehicle significantly impacts fuel consumption. Class 8 trucks, which travel long distances with heavy loads, consume the most fuel per year, followed by refuse trucks and transit buses due to their drive cycles and heavy loads. Demand response vehicles, delivery trucks, and school buses have higher fuel efficiency, resulting in lower annual fuel costs.
Miles Driven
The number of miles driven annually directly influences fuel costs. For example, Wyoming residents drive more than 2.3 times the distance compared to Connecticut drivers, resulting in higher fuel expenses despite lower gas prices in Wyoming.
Fuel Economy
Fuel economy, or the number of miles per gallon (MPG), is a critical factor in determining fuel costs. Improving fuel economy can significantly reduce expenses. This can be achieved through proper vehicle maintenance, such as regular inspections, cleaning or replacing spark plugs, and ensuring proper tyre inflation. Driving habits also play a role, with aggressive driving, sudden acceleration, and constant braking reducing fuel efficiency. Implementing fuel-saving techniques, such as hypermiling, gentle acceleration, using cruise control, and minimizing idling, can substantially lower fuel consumption and costs.
Local Fuel Prices
Fuel prices vary across regions, affecting monthly and annual fuel expenses. For instance, as of November 2021, the average cost of gasoline was $2.415 per gallon in Wyoming and $2.539 in Connecticut.
Average Annual Fuel Costs
According to the U.S. Energy Information Administration (EIA), Americans consumed about 140.43 billion gallons of gasoline in 2015, translating to approximately 656 gallons per person or $1,400 per driver at an average price of $2.15 per gallon. In 2021, gasoline expenses constituted about 3.2% of a household's yearly expenses, amounting to roughly $2,449 per household or about $204 per month.
Additionally, the EIA projected higher gasoline prices for 2017, with an average of $2.38 per gallon, potentially increasing the average driver's fuel costs to over $1,560 for the year.
In summary, the average fuel cost depends on a combination of factors, including vehicle type, miles driven, fuel economy, and local fuel prices. By understanding these factors and implementing fuel-saving strategies, individuals can effectively manage their fuel expenses and reduce their environmental impact.
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Fuel efficiency
The type of vehicle and its purpose also contribute to overall fuel efficiency. For instance, Class 8 trucks, refuse trucks, and transit buses tend to consume more fuel due to long distances travelled, heavy loads, and stop-and-go drive cycles. In contrast, demand response vehicles, delivery trucks, and school buses exhibit higher fuel economy due to reduced annual fuel use.
To improve fuel efficiency, careful maintenance of vehicles and the adoption of better driving habits are essential. Idling reduction, for example, can minimize unnecessary fuel consumption. Furthermore, advancements in technology, such as the recapture of kinetic energy during braking in hybrid vehicles, can improve efficiency by converting it into electrical power.
Government initiatives, such as the U.S. Department of Energy's FuelEconomy.gov, play a crucial role in promoting fuel efficiency. This website offers valuable resources, providing consumers with fuel economy data for vehicles as far back as 1984, along with practical tips to help drivers reduce fuel consumption and save money. These collective efforts towards improving fuel efficiency have the potential to significantly impact energy consumption and environmental emissions.
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Gasoline demand
Seasonal fluctuations play a significant role in gasoline demand and pricing. Typically, during the warmer months, there is a switch to summer-blend gasoline, which is more expensive to produce due to its formulation to limit emissions. This transition contributes to the increase in gasoline prices during spring and summer. Conversely, in the fall and winter months, consumer demand tends to decrease, and the less expensive winter-blend gasoline is used, resulting in lower gasoline prices.
The type of vehicle and its usage also impact gasoline demand. In the United States, light-duty vehicles, including cars, sport utility vehicles, and small trucks, account for approximately 91% of all gasoline consumption. Class 8 trucks, which travel long distances with heavy loads, consume the highest amount of fuel per vehicle. Similarly, refuse trucks and transit buses are fuel-inefficient due to their drive cycles and heavy loads. On the other hand, demand response vehicles, delivery trucks, and school buses have higher fuel economy, reducing their annual fuel consumption.
Additionally, gasoline demand is influenced by overall energy consumption trends. In 2022, Americans consumed about 135.73 billion gallons of gasoline, with motor gasoline being one of the most consumed fuels in the United States. This consumption accounted for approximately 57% of total energy consumption in the transportation sector and 16% of the total energy consumption in the country.
While gasoline prices have been relatively stable, factors such as inflation, supply chain disruptions, and gas tax hikes can contribute to higher prices. The cost of oil significantly influences gasoline prices, and elevated oil prices due to global events have impacted gasoline costs.
Understanding these factors provides insights into the complex dynamics of gasoline demand and its interplay with seasonal patterns, vehicle usage, and broader energy consumption trends.
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Gasoline consumption by state
Gasoline consumption varies among the states, with Texas and California historically accounting for the largest shares of total U.S. motor gasoline consumption. Texas alone accounts for approximately 15% of all gas consumption in the United States. This is due to a lack of sustainable fuel sources, a weak mass transit system, and the presence of some of the country's largest cities. California, the state with the largest population, consumes almost an equal amount of gas to Texas.
Other states that are relatively high on the list of gasoline consumption include Florida, New York, North Carolina, and Ohio. However, it is important to note that some of these high-consumption states, like Texas, are also among the top producers of gas in the country.
Factors influencing the rate of gasoline consumption include the availability of public transportation, the distance travelled by residents, the number of electric vehicles, and the presence of charging stations. For example, Alabama and Mississippi have low numbers of registered electric vehicles, contributing to higher gasoline consumption.
The United States is one of the largest consumers of gas globally, and while there have been efforts to transition to more sustainable fuel sources, gasoline sales and prices remain high. In 2023, gasoline sales across various stations in the country totalled 654 billion U.S. dollars, with an average price of around $1.40 per gallon.
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Frequently asked questions
The average fuel economy for new 2020 model year cars, light trucks and SUVs in the United States was 25.4 miles per US gallon (9.3 L/100 km). This assumes the average gasoline vehicle has a fuel economy of about 22.2 miles per gallon and drives around 11,500 miles per year.
The average American driver spends about $3,000 per year on gas, according to the American Automobile Association.
The average miles travelled per year and the fuel economy of the vehicle. Heavier cars also consume more fuel, as do Class 8 trucks, refuse trucks and transit buses.
Ensure your tires are inflated to the right level, drive at steady speeds on highways instead of in the city, and consider driving a smaller car with a less powerful engine.
Fuel economy is a measure of how much distance a vehicle can travel per unit of fuel. The higher the fuel economy, the more distance a vehicle can cover with less fuel.


































