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Energy-Efficiency: 8 Lies We Believe About Saving Fuel

In the modern world, there are still many unofficial methods about saving energy that people still believe in and spread out to new drivers. However, not all the tricks are true. On the contrary, many methods can actually drain your car energy away.

Top 8 Energy-Efficiency Myths

Every driver wants their vehicles to run longer with the small amount of fuel, but not everyone knows whether their saving methods are right or wrong. Here are 8 questionable techniques that car owners usually apply to make their vehicles more fuel-efficient. Here is the fact about these tips:

Start the car long before going

Car starting up for energy efficiency
Mistaken notion about energy-saving (photo source: Mr Vehicle)

This conception is only true with old car models. In contrast, modern models are designed to be able to drive a few seconds after turning on. Starting the engine a moment before driving is only convenient in the winter when you need to break the ice on car surface. However, this does not contribute to car energy-efficient.

The older the car is, the more fuel it wastes

Old car is energy efficiency
Age does not affect car energy-efficiency (photo source: Car and Driver @ Youtube)

“My car has been used for 3 years, 6 years, or even 9 years. Should I change to a new car for fuel-saving?” Of course, you can, if you are rich!

According to EPA (the United States Environmental Protection Agency): “Vehicles with 10 or even 15 years old do not decrease their energy-efficiency if they got maintenance in the right way

High-quality energy will be more saving

Fuel for regular car
Regular fuel is suitable for regular car (photo source: Wheel Monk)

If you are using a small car with small engine daily, using high-quality energy is not suitable with your criteria. High-quality fuel truly improves power consumption efficiency, but it only suits with sports cars, since they have bigger machine capacity and higher energy requirement.

Regular cars, on the other hand, are designed to run with normal fuel. So there will be no difference between two kinds of fuels except the number of cash on your bills.

Cars with EPA Fuel Economy label is guaranteed 

fuel economy label EPA
Fuel Economy Label depends on many elements (photo source:

Federal Government of Canada stated: “Even though EPA process of examination based on real driving experiences, no experiment can simulate the real environment and driving techniques”. There are many different types of driving skills and gasoline, which makes EPA label is not truly guaranteed in many cases.

Manual transmission saves more energy than automatic transmission 

Automatic transmission car is now saving energy effectively (photo source: gamengadgets)

People used to think driving a manual car is not only easy for beginners but also saves more energy. Nowadays, Modern technology updated vehicles transmission, helps automatic transmission car have to same energy – efficient level with manual transmission car, sometimes even better.


>> Top 5 Unbelievable Car Life Hacks!

>> What You MUST Avoid While Driving Automatic Car!

Change air cleaner

Nowadays, Air Cleaner does not affect the car’s fuel consumption (photo source: knfilters)

It is a fact when cars were still equipped with the carburetor. DFI system (Direct fuel injection system) with an automatic computer can adjust energy-air energy level. Changing air cleaner does improve engine operational features, but does not increase energy-efficiency.

Open windows and turn off AC

Open windows can be relaxing, but cannot save energy. (photo source: FilippoBacci/Getty Images)

Many drivers think that opening windows and turning off air conditioners while driving can save a lot of fuel. However, it hardly changes the car’s fuel consumption. Also, the atmosphere from outside can affect the aerodynamics of the car.

Advises For Car Users

The price of gasoline and diesel are huge when running a vehicle in current time, so it is easy to understand why most drivers are looking for the perfect methods for fuel efficiency.

In order to save fuel, our first advises are to schedule the trips before going and driving smoothly. Since starting the engine and sudden brakes burn more oil than driving at a normal speed, it is wise to schedule the time and the road you will travel before going.

Secondly, the car AC burns oil, so based on the weather, drivers can turn it off for energy saving.

Lastly, checking the engine and vehicles parts is essential, since damaged and old car parts consume more energy than the new ones.

  1. Ayub says

    Thank for your advice by I would ask what make the car vibrate while you accelerate especially on a steeply roads ?

  2. Mohsin walji says

    The tips are very useful, keep it up

    1. Trang Tran says

      We are glad that you like the article. Don’t forget to share with your friends!

  3. G Gopaul says

    Makes a lot of sense.

  4. Andrew Nyambaki says

    I often learn a lot from your tips that you place on Facebook. I like your page and it gives me a knowledge that I didn’t have in the class. Thank you. Keep it up.

  5. Ben Kyeyune says

    Thanks a lot Carfromjapan for that useful information to us drivers/car users. However, i have always wanted to know the meaning of ABS sign on the dashboard. And is it safe to continue driving while it’s lighting? Commonly found in old cars.

  6. Katusiime julius says

    Am so grateful for all your advises And I promise keep on following u to help me about ma car. Thank u so much “”. My question is as we all know A/c as air condition, what does ” Econ”mean n when does it work??.I ll be grateful.

  7. chibueze says

    Hello am chibueze from nigeria am happy to be here

  8. Mwenge says

    Another myth is that you should put your car in neutral while driving to save some fuel. This is very common amongst taxi drivers

  9. Francis Kurgat says

    What about high and low speed does it affect the fuel?

  10. Olivery says

    I just ask some people put the gear to the neutral position when driving. Does this help fuel consumption?



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