Sylvie Willis
The size of a fuel tank in a car depends on various factors, including the type of car, its engine, and the average distance traveled per day. While some Ford cars have smaller fuel tanks, others, like the 2017 Ford F-Series Super Duty, have larger fuel tanks. For example, the 1987-1996 F150 and Larger F-Series Trucks have two fuel tanks of 19 gallons each, amounting to a total of 38 gallons. The reason for two separate tanks is due to geometry constraints, as a single reasonably-shaped tank of that capacity would not fit within a light truck chassis. Additionally, having two tanks provides redundancy and can be advantageous in certain situations, such as when one tank experiences a malfunction.
| Characteristics | Values |
|---|---|
| Fuel tank capacity | 13.2 gallons (Envista) to 48 gallons (2017 Ford F-Series Super Duty) |
| Reasons for small fuel tanks | Smaller tanks cost less to fill, improve fuel efficiency, and weigh less |
| Reasons for larger fuel tanks | Larger tanks mean fewer pit stops, more time on the road, and less time at the pump |
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What You'll Learn
Fuel efficiency
In addition to weight considerations, geometry and space constraints within the vehicle's frame influence fuel tank size. In some cases, fitting a larger tank might require placing it higher up, which could compromise safety and increase the risk of fuel being sprayed into the passenger area during accidents. Smaller fuel tanks also allow for more cargo space, which is particularly advantageous in smaller cars.
From a consumer perspective, smaller fuel tanks can provide a psychological benefit. Some drivers gauge the efficiency of their vehicles by the cost of filling up the tank. A smaller tank means a lower cost per fill-up, giving the impression of better fuel efficiency, even if the overall range is similar to larger-tanked vehicles. This perception can be important in influencing purchasing decisions, especially for hybrid and electric vehicles, where fuel efficiency is a key selling point.
While smaller fuel tanks have their advantages, they may not be suitable for all use cases. For example, drivers in rural areas or those embarking on long-distance trips may prefer larger fuel tanks to reduce the frequency of refuelling stops. Additionally, some diesel vehicles and certain models, like the Ford F-Series Super Duty, are designed with larger fuel tanks to meet specific use requirements.
In summary, the trend towards smaller fuel tanks in modern vehicles, including Ford models, is driven by a combination of factors, including weight reduction for improved fuel efficiency and handling, space constraints within the vehicle's frame, safety considerations, and psychological factors influencing consumer purchasing decisions.
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Cost
The cost of fuel is a significant factor in the decision to use smaller fuel tanks. Smaller tanks cost less to fill than larger ones, which is appealing to consumers, particularly those who rate the efficiency of their cars by how much it costs to fill the tank. This is especially true for hybrid vehicles, where the smaller the tank, the lower the cost per fill-up, and the more appealing the purchase.
From a manufacturing perspective, larger tanks cost more to make, and the additional fuel also adds weight, impacting the vehicle's fuel efficiency. Smaller tanks are more fuel-efficient, and with improving mileage on newer hybrid cars, we will likely see smaller gas tanks in direct proportion to their better mpg.
The cost of fuel is also a consideration when it comes to weight. Gas weighs around six pounds per gallon, so a larger tank with more fuel will add significant weight to the vehicle. This extra weight will impact the vehicle's suspension, requiring a more robust and costly system to handle the additional weight.
Finally, there is the cost of the trade-off between fuel capacity and safety. Adding a larger fuel tank increases the overall weight and volume of the vehicle, impacting its safety rating. A smaller tank allows for a lighter, more compact vehicle, which is generally safer and more fuel-efficient.
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Space
The size of a fuel tank in a car depends on several factors, including the type of car, its fuel efficiency, and the average distance travelled by consumers. While some Ford models have larger fuel tanks, such as the 2017 Ford F-Series Super Duty with a 48-gallon tank, other models may have smaller fuel tanks.
One reason for smaller fuel tanks in some Ford models could be related to geometry and space constraints. In smaller cars, a larger fuel tank may occupy more space, reducing cargo room and affecting the vehicle's design and aesthetics. Additionally, a larger fuel tank means more weight, which can impact fuel efficiency and handling. The more fuel a car carries, the less efficient it becomes.
From a consumer psychology perspective, smaller fuel tanks may be preferred as they cost less to fill up, providing a sense of instant gratification and potentially influencing how consumers perceive the efficiency of their vehicles.
Furthermore, the placement of the fuel tank is crucial, especially in Ford models with unique designs or hybrid engines. For example, in the case of electric vehicles or hybrids, space needs to be allocated for batteries, and a smaller fuel tank allows for better weight distribution and overall vehicle performance.
It is worth noting that the average daily commute is about 40 miles round trip, and most cars have a range that exceeds this. Therefore, there may be no pressing need for larger fuel tanks in urban and suburban settings, where gas stations are also readily available.
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Weight
A heavier vehicle will have reduced fuel efficiency, as the engine must work harder to propel the car, especially when accelerating. This means that a larger tank may provide a longer range, but the vehicle will use more fuel to achieve the same distance as a lighter vehicle with a smaller tank. This reduced fuel efficiency also means that the cost savings of a larger tank are negated, as more fuel is required to fill the tank, and the vehicle will need to be refuelled more often.
Additionally, the extra weight of a larger tank and more fuel will impact the vehicle's handling and safety. The suspension and chassis of a vehicle are designed with a specific weight range in mind, and adding significant weight can affect the vehicle's balance, steering, and braking performance. A heavier vehicle may also increase the risk of injury in the event of an accident, as the added momentum can cause more severe impacts and increase the potential for structural damage.
Ford has also recognised the importance of weight in their fuel tank designs. The 2017 Ford F-Series Super Duty pickup truck features a larger fuel tank than its predecessor, but also incorporates lightweight materials such as high-strength, military-grade aluminium alloy. This lightweighting improves the vehicle's fuel economy, allowing it to maximise time on the road and reduce the frequency of refuelling stops.
Therefore, weight is a critical factor in fuel tank design, influencing not only the size of the tank but also the overall performance, efficiency, safety, and handling of the vehicle.
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Safety
To address this issue, modern Ford vehicles prioritize safety by opting for smaller fuel tanks that are carefully positioned within the vehicle's frame. By reducing the size of the fuel tank, Ford minimizes the risk of fuel leakage and improves overall vehicle safety.
The placement of the fuel tank is crucial to maintaining safety standards. Smaller fuel tanks are often positioned lower in the vehicle, reducing the center of gravity and enhancing vehicle stability. This design choice improves handling and reduces the risk of rollovers, contributing to a safer driving experience.
Additionally, smaller fuel tanks contribute to weight reduction, which has a direct impact on safety. Lighter vehicles are generally safer, as they require less powerful brakes and experience reduced wear and tear on tires and suspension systems. This enhances overall vehicle control and maneuverability, making it easier for drivers to avoid potential hazards on the road.
While some Ford vehicles have two smaller fuel tanks instead of one larger tank, this design decision also considers safety. Redundancy is a key principle in safety-critical systems, and having two separate tanks reduces the risk of fuel pump failure. Should one fuel pump malfunction, the other tank can be utilized, preventing the vehicle from being stranded and enhancing overall reliability.
In summary, Ford's use of smaller fuel tanks and innovative tank designs reflects a strong commitment to safety. By reducing the risk of fuel leakage, improving vehicle stability, and enhancing overall vehicle control, Ford prioritizes the well-being of its customers.
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Frequently asked questions
Smaller fuel tanks cost less to fill up, weigh less, and take up less space in the vehicle's frame. Ford's 2017 F-Series Super Duty pickup truck features a 48-gallon tank, which is larger than previous models, allowing for more time on the road and fewer pit stops.
For some Ford models, there isn't enough room to fit one large tank that holds the desired amount of fuel. Having two smaller tanks also provides redundancy, which is considered more reliable.
Yes, smaller tanks can improve fuel efficiency. The more fuel in the tank, the less efficient the vehicle. Smaller tanks also weigh less, which further improves fuel efficiency.
Consumers may prefer smaller tanks because they cost less to fill up, even if there is no difference in fuel economy. Additionally, smaller tanks may be preferred for safety reasons, as extra fuel and a heavier tank can increase the risk of injury in an accident.
