Effective Pre-Departure Preparations and Vehicle Maintenance for Reducing Fuel Consumption
The first important step to reduce fuel consumption is pre-departure preparation and daily vehicle maintenance. These directly affect fuel efficiency, and taking the time to perform them can lead to significant fuel savings. For example, regularly checking tire pressure and maintaining the proper value is one of the most basic yet effective measures. Low tire pressure increases the contact area with the road, increasing rolling resistance and causing excess fuel consumption. Proper tire pressure management is recommended under the guidance of ENEOS Wing’s specialist staff.
In addition, regular engine oil changes are indispensable for improving fuel efficiency. Worn-out oil loses its lubricating performance, increasing engine friction and causing fuel efficiency to worsen. Using low-viscosity, fuel-efficient oil reduces internal engine resistance and improves energy efficiency, which has gained attention in recent years. Regular vehicle inspections and checkups by professional mechanics, including checking the condition of spark plugs and air filters, also greatly contribute to maintaining fuel efficiency.
Furthermore, it is important not to keep unnecessary luggage in the car. Heavy loads increase the vehicle’s burden and proportionally increase fuel consumption. Remove unused items such as camping gear or fishing equipment as soon as possible.
Finally, checking the route before departure is essential. By using navigation systems or apps to understand traffic information such as congestion and roadworks, unnecessary stops and sudden acceleration or deceleration can be avoided, improving fuel efficiency. With these preparations, you can achieve a safe and comfortable drive while suppressing fuel consumption.

Techniques and Precautions to Reduce Fuel Consumption While Driving
To reduce fuel consumption, not only the vehicle’s condition but also your driving behavior is very important. The fundamental point is gentle accelerator operation. Sudden starts and rapid acceleration put a load on the engine and cause significant fuel waste. Even in stop-and-go traffic in urban areas, careful accelerator control is crucial. Conscious of not exceeding the maximum speed and starting slowly, it is reported that about a 10% improvement in fuel efficiency can be expected.
Also, maintaining a constant speed while driving is effective in saving fuel. Frequent acceleration and deceleration lead to unnecessary energy consumption. For example, keeping an appropriate distance from the vehicle ahead reduces sudden braking and acceleration, allowing for smoother driving. Furthermore, understanding the situation several cars ahead at traffic lights and curves, and releasing the accelerator early to use engine braking is also effective. This minimizes energy consumption and balances fuel saving with safe driving.
Recently, the use of advanced driving assistance systems, especially Toyota’s Radar Cruise Control, is also recommended. This system maintains a constant distance from the vehicle ahead on highways, preventing large acceleration and deceleration. When the system detects curves, it automatically adjusts the speed, suppressing unnecessary fuel consumption and helping reduce driver fatigue. Such technology is a powerful ally in reducing fuel consumption in modern society in 2026.
Eco-Driving Points List:
- Press the accelerator slowly and smoothly
- Maintain an appropriate distance to keep a constant speed
- Decelerate early and use engine braking
- Actively use advanced driving assistance functions
- Check traffic congestion and information to avoid unnecessary acceleration/deceleration
Causes of Fuel Efficiency Deterioration and Effective Maintenance Methods for Long-Term Savings
If fuel consumption does not decrease as expected, there is often a problem with the vehicle itself. With years of use, deterioration that increases engine wear, suspension degradation, and increased aerodynamic drag progresses, worsening fuel efficiency. Known cases include reduced combustion efficiency due to engine internal wear, increased rolling resistance due to suspension deterioration, and the effects of peeling paint or rust acting as aerodynamic resistance. These can be detected early and addressed through regular inspections and maintenance.
Also, oil deterioration and decreased tire pressure are major factors in worsening fuel efficiency. It is desirable to check tire pressure about once a month and change the oil at the recommended intervals according to the vehicle’s manual. If the oil viscosity is not appropriate, the engine load increases and leads to fuel loss; therefore, introducing low-viscosity oil is also effective.
Moreover, excessive use of air conditioning surprisingly affects fuel efficiency. Especially in summer, cooling increases the engine load, so set the cabin temperature to around 25 degrees Celsius and consider using natural ventilation by opening windows when appropriate. In winter, using seat heaters and steering wheel heaters in combination reduces air conditioner usage time and helps decrease fuel consumption.
In view of these points, receiving regular checks and maintenance by professionals, such as ENEOS Wing’s maintenance services, helps maintain fuel efficiency and reduce costs in the long term. If fuel efficiency still does not improve, switching to hybrid or electric vehicles is a viable option.
| Main Causes of Fuel Efficiency Deterioration | Examples | Countermeasures |
|---|---|---|
| Deterioration of Engine and Suspension | Reduced combustion efficiency, increased rolling resistance | Regular inspections, early maintenance response |
| Insufficient Tire Pressure | Increased rolling resistance | Monthly pressure checks and adjustment |
| Oil Deterioration | Reduced lubricating performance, increased engine load | Oil changes at recommended intervals |
| Excessive Use of Air Conditioning | Increased engine load, increased fuel consumption | Proper temperature setting, use of other heating devices |
What is the ideal reference value for proper tire pressure?
It varies by vehicle model, but please use the “specified tire pressure” listed in the vehicle’s manual or near the driver’s door as a reference. We recommend checking it once a month.
What is the appropriate frequency for engine oil changes?
Generally, for mainly city driving, every 5,000km to 10,000km, or once every six months to one year; under severe conditions, every 3,000km to 5,000km, or once every six months is recommended. Always check the vehicle’s manual.
What is the most effective driving method for eco-driving?
The key is to accelerate gently and smoothly, keeping a constant speed and decelerating early. Also, utilizing advanced driver assistance systems is effective for reducing fuel consumption.
How does unnecessary idling affect fuel efficiency?
Fuel continues to be consumed even during idling, so reducing unnecessary idling is expected to improve fuel efficiency and reduce environmental impact.
If improving fuel efficiency is difficult, what kind of vehicle is good to switch to?
Switching to hybrid or electric vehicles with superior fuel efficiency is recommended. Depending on use and budget, considering ENEOS Wing’s used car sales services may also be beneficial.
