Katerina Swanson
Automatic cars are extremely convenient, but they do come with higher fuel costs compared to manual cars. However, there are several driving techniques and maintenance practices that can help you save fuel in your automatic car. From adjusting your driving style to making use of modern features like cruise control, you can improve your fuel efficiency and save money. In addition, regular maintenance and proper tyre inflation are key to maximising the fuel economy of your automatic vehicle.
| Characteristics | Values |
|---|---|
| Acceleration | Even out your acceleration by gradually pressing down on the gas pedal instead of sudden, jerky movements. |
| Braking | Avoid braking suddenly and try not to rest your foot on the brake pedal. |
| Speed | Maintain a steady speed and avoid speeding up and slowing down frequently. |
| Cruise control | Use cruise control on flat, straight roads to maintain a consistent speed. |
| Traffic lights and intersections | Avoid routes with traffic lights and intersections, which cause rapid stopping and starting. |
| Errands | Combine multiple errands into one trip to avoid multiple journeys. |
| Air conditioning | Use air conditioning sparingly and roll down the windows at lower speeds. |
| Tyre pressure | Maintain proper tyre pressure to reduce rolling resistance and increase fuel efficiency. |
| Wheel alignment | Get regular wheel alignments to ensure safer and more efficient driving. |
| Traffic flow | Anticipate traffic flow and approach junctions, traffic lights and roundabouts in a way that avoids coming to a complete halt. |
| Neutral | Shift into neutral and idle your engine when stopped in traffic to reduce fuel consumption. |
| Engine | Turn off your engine if you're waiting for someone or something for more than three minutes. |
| Vehicle maintenance | Regular vehicle maintenance and servicing can help maintain your engine's fuel efficiency. |
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What You'll Learn
- Avoid aggressive driving habits, such as rapid acceleration, hard braking, and speeding
- Maintain proper tyre pressure to reduce rolling resistance and fuel consumption
- Plan your route to avoid stop-start traffic and quick stops and starts
- Use cruise control to maintain a steady speed and reduce unnecessary fuel usage
- Turn off your engine if you're waiting for someone or something for more than three minutes
Avoid aggressive driving habits, such as rapid acceleration, hard braking, and speeding
Aggressive driving habits, such as rapid acceleration, hard braking, and speeding, can significantly impact fuel efficiency. According to a study by the Oak Ridge National Laboratory, aggressive driving behaviours can lower fuel economy by 15%–30% at highway speeds and 10%–40% in stop-and-go traffic. This can result in a substantial financial loss, with an estimated impact of $0.25 to $1 per gallon.
To improve fuel efficiency, it is essential to adopt a smoother and more defensive driving style. This involves avoiding rapid acceleration and, instead, opting for a gradual increase in speed. When accelerating, pay attention to the engine note and the tachometer's needle to track the RPM. The higher the engine note and RPM, the more fuel your car is consuming. By shifting gears earlier, you can improve fuel efficiency. In modern cars, paddle shifters allow you to control gear changes like a manual car, even with an automatic transmission.
Additionally, hard braking should be avoided as it can waste a significant amount of fuel. Instead, anticipate stopping by easing off the accelerator to slow down gradually. This will also help maintain a constant momentum, allowing your car to cover more distance without expending extra fuel. Remember to avoid resting your foot on the brake pedal, as this immediately applies drag and negatively affects fuel economy.
Speeding is another costly and dangerous aggressive driving habit. Increasing your speed can lead to a significant increase in fuel consumption. For example, a truck travelling at 75 mph uses 27% more fuel than when travelling at 65 mph. Observing speed limits not only saves fuel but also improves safety, as speeding increases the severity of crashes.
By driving smoothly, maintaining a steady speed, and avoiding aggressive behaviours, you can significantly improve your fuel efficiency and, at the same time, contribute to safer roads.
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Maintain proper tyre pressure to reduce rolling resistance and fuel consumption
Maintaining the correct tyre pressure is essential to reducing rolling resistance and improving fuel efficiency. Rolling resistance refers to the resistance experienced by your car tyre as it rolls over a surface. The main causes of this resistance are tyre deformation, wing drag, and friction with the ground. The higher the rolling resistance, the more energy is needed to overcome it, leading to increased fuel consumption.
Underinflated tyres increase rolling resistance, causing your car to use more energy and fuel when moving. Properly inflated tyres reduce rolling resistance and allow your car to move more efficiently, improving fuel efficiency. According to studies, even a small amount of underinflation can lead to a significant increase in rolling resistance, resulting in higher fuel consumption.
To maintain proper tyre pressure, it is essential to check and set the correct pressure for your car regularly. You can find the recommended tyre pressure in your vehicle's manual or on the tyre information placard, usually located on one of the front doors or in the glove compartment. It is also good to invest in a reliable tyre pressure gauge to monitor your tyre pressure accurately.
Additionally, regular wheel alignments can help ensure safer and more efficient driving. Proper wheel alignment improves tyre wear and fuel efficiency while also enhancing the safety and handling of your vehicle. It is recommended to include wheel alignment checks as part of your regular vehicle maintenance routine.
By maintaining proper tyre pressure and reducing rolling resistance, you can significantly impact your fuel consumption, leading to cost savings and a more environmentally friendly driving experience.
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Plan your route to avoid stop-start traffic and quick stops and starts
Planning your route is a great way to save fuel when driving an automatic car. Stop-start traffic puts a lot of pressure on your engine, causing it to burn more fuel. Therefore, planning your route to avoid peak traffic times can help you save fuel. For example, you could plan your commute to and from work to avoid busy roads during rush hour.
Additionally, try to avoid traffic lights and intersections where possible, as these will likely cause you to stop and start your car frequently. Instead, opt for routes with fewer stops, which will help you maintain a steady speed and save fuel. Using a satnav can help you plan efficient journeys and avoid getting stuck in stop-start traffic.
If you are running late or waiting for someone, it is better to turn off your engine if you will be waiting for more than three minutes. Even when idling, your engine is still burning fuel. So, if you are going to be waiting for a while, it is more fuel-efficient to turn off the engine and then turn it back on when you are ready to go.
Another way to save fuel is to combine multiple errands into one trip. Making several short trips will use more fuel than one longer trip, as a cold engine uses more fuel than one that has been running for a while. So, try to plan your errands so that you can do them all in one go, rather than making multiple trips.
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Use cruise control to maintain a steady speed and reduce unnecessary fuel usage
One of the most effective ways to save fuel in an automatic car is to use cruise control. This feature, available in most modern vehicles, allows you to set a desired speed that the car will then maintain. By eliminating the need for constant adjustments, cruise control helps you maintain a steady speed and, in turn, reduces unnecessary fuel usage.
Cruise control is especially useful when driving on open roads or highways, where you can set a consistent pace without frequent stops and starts. This minimizes unnecessary acceleration and deceleration, which tend to waste fuel. Additionally, when driving on flat roads, cruise control can help you maintain a constant speed without the need for manual adjustments, further improving fuel efficiency.
It's important to note that the effectiveness of cruise control in saving fuel may vary depending on the terrain and traffic conditions. While cruise control can be beneficial on flat roads or gentle inclines, it may struggle on hilly terrain or routes with multiple inclines and declines. In such cases, manual control may be more efficient as it allows you to make adjustments based on the changing road conditions.
Furthermore, when using cruise control, it is essential to consider the quality of the system. High-quality cruise control systems can handle sudden hills and adjust throttle inputs and gear ratios efficiently, resulting in better fuel economy. On the other hand, less advanced systems may struggle on hills, leading to increased fuel consumption.
Overall, using cruise control can be a valuable tool to maintain a steady speed and reduce unnecessary fuel usage, especially on long-distance drives or flat road conditions. However, it is always recommended to use your best judgment and adapt your driving habits to optimize fuel efficiency.
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Turn off your engine if you're waiting for someone or something for more than three minutes
When it comes to saving fuel in your automatic car, one of the most effective methods is to turn off the engine if you're waiting for someone or something for more than three minutes. This is because modern engines use far less fuel when starting up than they do when idling for extended periods. By turning off your engine, you can avoid unnecessary fuel consumption and save money on petrol costs.
It is important to note that this advice applies specifically to situations where you are waiting for a relatively short period, such as at traffic lights or when stopped in traffic. In these cases, turning off your engine for even a minute or so can make a difference in fuel consumption. However, if you anticipate being parked for a longer period, such as more than a few hours, it is still advisable to turn off your engine, despite the engine using more fuel during the initial kilometres after a cool-down.
Additionally, when driving an automatic car, you can improve fuel efficiency by maintaining proper tyre pressure. Underinflated tyres increase rolling resistance, causing your car to use more energy while moving. Regular tyre maintenance, including checking and setting the correct pressure, can help ensure optimal fuel efficiency and safer driving.
Another way to save fuel in an automatic car is to drive smoothly and anticipate the road ahead. This includes gradually pressing down on the gas pedal instead of making sudden, jerky movements and easing off the accelerator to slow down rather than braking suddenly. By maintaining a steady speed, you can avoid unnecessary acceleration and deceleration, which can reduce fuel consumption.
By combining these strategies of turning off the engine when waiting, maintaining proper tyre pressure, and driving smoothly with anticipation, you can significantly improve fuel efficiency in your automatic car and reduce both fuel costs and environmental impact.
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Frequently asked questions
There are several ways to save fuel when driving an automatic car. Here are some general tips:
- Avoid aggressive driving habits such as rapid acceleration, hard braking, and speeding.
- Anticipate traffic flow and read the road ahead to avoid coming to a complete halt.
- Maintain a consistent speed and avoid frequent speed changes.
- Keep your tyres properly inflated as underinflated tyres increase rolling resistance and fuel consumption.
- Reduce the use of air conditioning at lower speeds and instead, roll down the windows.
Aggressive driving habits such as rapid acceleration, hard braking, and speeding can significantly decrease fuel efficiency. By adopting a calmer driving style with smooth acceleration and gradual braking, you can improve fuel efficiency and promote a safer driving experience.
Underinflated tyres have higher rolling resistance, which increases fuel consumption. Properly inflated tyres reduce friction and help your car move more efficiently, improving fuel economy.
Cruise control is a feature in many modern cars that helps maintain a constant speed. By setting cruise control on flat, straight roads, you can avoid unnecessary acceleration and deceleration, improving fuel efficiency.
Yes, you can coax your automatic car to shift gears earlier by listening for the engine note and tracking the RPM during acceleration. Additionally, some modern cars have paddle shifters that allow you to control gears like a manual car, giving you more control over fuel efficiency.
