Katerina Swanson
Formula One (F1) cars are some of the most advanced machines in the world, with cutting-edge technology, engineering, and innovation pushing the boundaries of speed, aerodynamics, and performance. F1 cars use a specialized fuel known as high-octane racing fuel, which is heavily regulated by the FIA (International Automobile Federation) to ensure it is similar to commercial-grade petrol. This fuel is tailored by designated suppliers to enhance engine performance and improve combustion, while also meeting strict safety requirements to minimize the risk of fires during crashes. The amount of fuel an F1 car can use per race has been increased to 110 kilograms, and teams employ various strategies to manage fuel usage and optimize performance during races.
Characteristics and Values of Fuel in Modern F1 Cars
| Characteristics | Values |
|---|---|
| Type of Fuel | High-octane racing fuel, E10 fuel (90% gasoline and 10% renewable ethanol) |
| Fuel Regulation | Heavily regulated by the FIA since 1996, must be similar to road car fuel |
| Fuel Tank Capacity | 110 kg of fuel, estimated to be between 130-145 litres |
| Refuelling Rate | 0.8 litres per second |
| Fuel Temperature | Can be cooled up to 15 degrees below ambient temperature |
| Fuel Cost | Significantly higher than pump fuel |
| Fuel Tank Material | Kevlar and polyurethane, described as "almost indestructible" |
| Fuel Efficiency | Modern F1 cars have a 1.6L V6 engine capable of producing up to 950 hp, with a top speed of 375 km/h |
| Fuel Flow Rate | Limited to 100 kg per hour, monitored by fuel-flow meters |
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What You'll Learn
F1 fuel regulations
F1 fuel contains additives and blending agents to enhance combustion, and each team has designated fuel suppliers that provide a specific blend tailored to their engine characteristics. The exact composition of F1 fuel is considered highly confidential, known only by the teams and fuel suppliers. F1 fuel also has strict safety requirements to minimise the risk of fire during crashes.
In recent years, there has been a push towards more sustainable fuels in F1, such as advanced biofuels or synthetic fuels. The next generation of F1 cars will run on fully sustainable fuels, with no new fossil carbon burned. Instead, carbon will be derived from non-food sources, genuine municipal waste, or even out of the atmosphere. These new power units will be just as fast and exciting as ever, but more sustainable, relevant and responsible.
F1 cars have specific regulations regarding their design and construction, with nearly every aspect of the car carrying size regulations. For example, an F1 car can be no more than 200 cm wide and 95 cm tall, and the car and driver must together weigh at least 800 kg as of 2025. The cars are constructed of carbon fibre and other composite materials for durability and are built to withstand high impact forces and considerable g-forces. The cars have substantial front and rear wings, large wheels, and a turbocharged engine positioned behind the driver.
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F1 fuel tanks
In the 1950s, the advent of rear-engine F1 cars led to a shift in fuel tank placement, moving them to the front above the driver's legs. This period also saw the introduction of malleable rubber bag tanks, first seen in Jaguar's C-type racing sports cars. These bag tanks were initially placed within aluminium tanks for added safety. The rubber bags offered improved safety by being less susceptible to piercing upon impact or chafing from attachment straps or chassis tubes.
In recent decades, advancements have primarily focused on enhancing the durability of the bag itself, leading to the use of a weave of polyurethane and Kevlar for the construction of modern F1 fuel tanks. The FIA has also implemented regulations to promote sustainability and cost reduction, such as capping car parts, mandating the use of mixed fuel, and encouraging the adoption of energy recovery systems.
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F1 fuel suppliers
F1 cars use a specialized fuel known as "high-octane racing fuel". This fuel is highly regulated by the FIA (International Automobile Federation), which outlines specifications and composition requirements. The fuel must adhere to the Euro 95 standard, meaning it contains essentially the same compounds as those found in petrol for road cars.
Each F1 team has designated fuel suppliers that provide a specific blend tailored to their engine characteristics. These suppliers include companies such as Shell, which optimizes its fuel blend for the Ferrari team. The exact composition of each team's fuel blend is highly confidential, known only to the respective teams and their fuel suppliers.
F1 fuel contains additives and blending agents to enhance combustion and improve performance. The characteristics of the fuel are fine-tuned to push the limits of engine power while staying within the boundaries of the FIA regulations. For example, teams can cool the fuel to decrease its volume and fit more kilograms into the tank, allowing riders to push harder without worrying about running out of fuel.
In recent years, there has been a push towards more sustainable fuels in F1, with a focus on advanced biofuels and synthetic fuels. This aligns with the sport's increasing adoption of hybrid technology and road relevancy, with F1 seeking to demonstrate the benefits of electrification for a more sustainable and cleaner world.
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F1 fuel cost
Modern F1 cars have a carbon fibre monocoque with an open cockpit consisting of a single driver seat and a detachable steering wheel. The engine is positioned behind the driver. F1 cars use a specialized fuel known as "high-octane racing fuel". This fuel is highly regulated by the FIA (International Automobile Federation) and must be similar to the fuel that can be purchased at the pump for a road car. F1 fuel contains additives and blending agents to enhance combustion. The exact composition of F1 fuel is considered highly confidential and is only known by the teams and fuel suppliers.
The cost of F1 fuel is significant. A formula one car uses about $500,000 in petrol during an entire season for practice and racing sessions. That is about 190,000 litres of fuel. The fuel is provided by designated fuel suppliers, with each team having a specific blend tailored to their engine characteristics. The cost of the fuel is included in the overall cost of running an F1 team, which can be substantial. For example, the body structure of an F1 car, known as the carbon fibre monocoque, costs around $650,000. The gearbox, another critical component, can cost up to $450,000. Additionally, teams may choose to upgrade their gearboxes before the start of the season, incurring additional costs of $150,000. The cost of building an F1 car can be upwards of $12 million, and this does not include the fuel, maintenance, and other operational costs.
The amount of fuel an F1 car can use per race has been a topic of discussion in recent years. In 2019, the maximum fuel allowance was increased to 110 kilograms per race, up from 105 kilograms previously. This change was made to allow drivers to push harder and address concerns about drivers having to use fuel-saving techniques to make it to the end of the race. The aerodynamics of modern F1 cars increase downforce, which results in extra drag and higher fuel consumption. To promote fuel efficiency, F1 cars have been equipped with fuel-flow meters since 2014 to ensure the engine does not consume fuel at a rate higher than 100 kg per hour.
In addition to the direct cost of the fuel itself, F1 teams also incur costs related to fuel efficiency and performance. The FIA has implemented regulations aimed at sustainability and cost reduction, such as the usage of mixed fuel and energy recovery systems. F1 cars now include hybrid technology, incorporating regenerative braking systems that allow for energy recovery and improved engine performance without increasing fuel consumption. These advancements contribute to the overall cost of running an F1 team and developing innovative technologies.
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F1 fuel vs road car fuel
Formula One (F1) cars use a specialized fuel known as "high-octane racing fuel". The minimum octane requirement for F1 fuel is 87, which is similar to the petrol used in road cars. F1 fuel contains additives and blending agents to enhance combustion. The fuel is regulated by the International Automobile Federation (FIA), which specifies its composition and characteristics. Each F1 team has designated fuel suppliers that provide a specific blend optimized for their engine characteristics.
F1 fuel has been heavily regulated by the FIA since 1996, when a rule was introduced mandating that the fuel meet the Euro 95 standard. This means that F1 fuel must contain the same compounds as the petrol used in road cars. However, the final blends are tailored to each F1 team's engine, resulting in fuel optimized for peak performance. For example, fuel from Shell is optimized for Ferrari and may not perform as well in a Mercedes engine.
The amount of fuel an F1 car can use per race has changed over the years. In 2019, the maximum fuel allowance was increased to 110 kilograms (from 105 kilograms in 2018) to allow drivers to push harder without worrying about fuel conservation. F1 teams calculate the amount of fuel needed for a race based on winter testing and race-specific modifications and conditions.
While F1 fuel is strictly regulated, there is still room for innovation. F1 teams can develop their fuel blends to enhance engine power while adhering to FIA regulations. Additionally, F1 has been embracing hybrid technology and sustainability. For instance, the 2022 Indycar engines will incorporate hybrid technology, and Formula E has shifted towards electrification, showcasing the potential for a cleaner and more sustainable future for motorsport.
In contrast, road car fuel, or commercial fuel, is standardized and does not undergo the same level of optimization as F1 fuel. Road car fuel is designed to suit a wide range of vehicles and driving conditions, focusing on efficiency and emissions standards rather than the peak performance seen in F1.
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Frequently asked questions
Modern F1 cars use a specialized fuel known as "high-octane racing fuel". F1 fuel is heavily regulated by the FIA and must be similar to what can be purchased at the pump for a road car. F1 fuel contains additives and blending agents to enhance combustion.
Fuel is put into an F1 car at 0.8 litres per second using specialised safety equipment.
F1 fuel tanks can hold up to 110 kilograms of fuel, which is equivalent to 130-145 litres. However, F1 teams rarely fill their tanks, opting to under-fuel to keep the vehicle lighter and benefit from increased speed and reduced tyre wear.
F1 cars do not refuel during races. Teams decide on the amount of fuel to put in before the race, taking into account the need for fuel-saving measures such as lift-and-coast to ensure they reach the end of the race.
