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Save 30 Percent Fuel Cost By Hypermile



30 Fuel Saving Tips For Saving Over 30 Percent On Fuel Cost

Hypermile: Extreme Energy Efficient Driving

Estimated read time: 10 minutes

Hypermiling is an art of saving fuel by understanding and reducing the driving habits or ways that sips extra fuel on every mile (km) you drive. Without knowing the below little secrets we conveniently blame the vehicle or car manufacturer to design such fuel thirsty cars. Of course we agree some cars are more fuel sipping than others that have been engineered with fuel efficiency in mind, but still you can control the fuel efficiency over 30 percent by simply following the below fuel saving tips.

For result-oriented fuel-saving one need to understand the basic science behind the fuel consumption in simple language. When your body work out hard or run a long stretch, you eat more food. Similarly car fuel consumption depends on these basic science that how hard you drive and how much load you carry from place A to place B. Secondly how you can reduce the drag against the incoming air as a basic law of physics. Running on treadmill is easy, than walking with the 2 pounds little weight straps tied on your ankle which increases your drag weight and makes it harder for your body.


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Engine and Drive-train

1. Avoid Idling: One of the biggest factor affecting the fuel mileage is to let the car engine run idle for long time in parking, while loading/unloading, while pulling over for phone call or GPS routing etc. You should even switch off the car engine on longer traffic signal that last more than 30 seconds. Roughly every 1 minute spent on idling consume fuel for 2 km's drive (this may vary dramatically based on the size of the engine and use of A/C).

During idling the combustion of the air/fuel mixture is not completed efficiently, meaning that some fuel gets deposited on the cylinder walls. This removes the protective lubricating film, which in turn causes increased mechanical wear, and oil dilution over long periods. 

2. Check tire pressure weekly: Second most important factor for saving fuel is to drive with fully inflated tires. Even if your car has TPMS (Tire pressure monitoring system) still keep a close check of all tires pressure all the time. TPMS will raise alarm when tire is generally lower by 5-7 psi and this variance is enough to cause additional drag for your car to consume extra fuel. Lower the tire pressure = higher fuel consumption.

3. Use higher gear: As much as possible, use the highest gear available in your car. If your car has an option of OD (Over Drive), leave it engaged all the time as this will switch to next higher gear as soon as possible. If your car gear transmission comes with economy mode, leave it on ECO mode always as it will shift gear faster for achieving better fuel mileage.

In manual transmissions match the gear selection to the road and engine speed. Using too higher gears can actually use more fuel because a bigger throttle opening is required to overcome the effects of gear ratios that do not match the car’s speed.

4. Regular car service: Periodic servicing as mentioned in car owners manual must be done to change the engine oil, engine oil filter, clean or replace the engine air filter. These three things regular maintenance is very important for optimizing the fuel efficiency and also to keep your car engine running happy and healthy for long time. 

5. AC on circulation and Eco mode: Set your car air conditioner to recirculate cabin air as it will use less power keep the cool air cold, than cooling the outside hot air to cool in open vent setting. Also use AC in eco mode that frequently switches off the compressor and work more with re-circulation of cold air, which reduces significant load on engine fuel economy.


Driver (Real nut behind the wheels)

6. Drive at ease: Driving at easy behavior to accelerate gradually and braking slowly will amazingly increase the fuel efficiency, than sharp speeding and braking while driving in rush.

7. Plan your brakes: Anticipate the traffic or turn ahead of you to avoid hard braking. Always keep an eye on brake light of 3-4 vehicles ahead of you and leave the acceleration as soon they brake. This will give you enough time to slowly approach the braking vehicle and slow down your car with little or no brake. This conserve lot of fuel and also saves the brake pads and brake rotors/disc.

Always keep a long enough following distance to the vehicle directly in front of you to avoid having to adapt your own speed to the traffic flow all the time. Maintain a following distance of at least four to five seconds to avoid continually having to brake and accelerate.   

8. Plan your stops: While approaching red signal, leave the acceleration from a distance and hold brake gently as if to approach the signal when it’s green. Idea is to use the car momentum as much as possible and not to start the car from stand still point (if possible).

By sticking to the speed limits, you can catch all the lights on green if you catch the first one on green. Majority of the traffic lights are synchronized to the speed limits, so by driving smart, you can avoid having to stop at all traffic lights.

9. Rev less: Try to drive around 2000 rpm or less by driving in higher gear or by softer acceleration in automatic cars. Higher the engine rev’s it takes lot more fuel and covers less distance. Leave high revs for the fastest car in the world and not for daily drive.

Drive a manual car in its most effective rev range. Smaller engines need to be run at about 3000 to 3200 RPM to work comfortably, so use proper gear selection and matching engine speeds to use the least amount of fuel. Making a small engine labor at lower revs requires bigger throttle openings, which uses more fuel to maintain power and speed.  

10. Shift to Neutral when stopped: Make a habit of shifting gear in Neutral as soon as you stop in traffic or elsewhere where your car is not moving. Keeping car engaged in D (Drive) waste lot more fuel when engine is pushing car forward and brake is holding it back.


Vehicle Dynamics

11. Tire size and weight: Always get the OEM tire size of recommended tire brand. Increasing the tire size or the weight can cause dramatic change in fuel consumption. Lighter the tires, better the fuel efficiency and vice-versa.

While it is true that correct tire pressures can improve fuel consumption by up to 3%, although much of this saving can be offset by using non-standard tires. Fitting wider and bigger tires can actually use more fuel than standard equipment due to the increased rolling resistance of wider tires. Always keep tires as close to the original size/width as possible to get the biggest savings. 

12. Switch off DRL: Turn off the DRL (Daytime Running Lights) if it’s not needed in bright and shiny day, this also adds bit of extra overhead for fuel consumption.

13. Close Windows and Sunroof: While driving at higher speed, it’s better to drive with all windows and sunroof closed to reduce the aerodynamic drag.

14. Clear your trunk (boot): Remove all unwanted stuff from the trunk and backseat, as every single object weight “really” adds up to increased fuel consumption.

15. Remove unused roof rack: Just like above, if you aren’t using those roof rack frequently then better get rid of and save few liters on every fill-up. Roof rack adds weight and also affect the aerodynamics of the vehicle.


Make better Choices

16. Drive on tarmac than off-road: Prefer to drive on tarmac than on loose gravel or sandy patch that has less traction and result in consuming more engine power at higher fuel consumption.

17. Cruise control or steady throttle: Idea is to drive a vehicle at any constant speed to increase the fuel efficiency. Cruise control is good for straight roads, but bad for incline and declining roads. It is best to develop a throttle control to keep it at set constant position at all the time for best gains.

18. Choose less crowded fuel station: Plan your fuel fill-ups in time especially in evening or night and avoid busy fuel station that will keep your car running idle for minutes and spoil the fuel economy.

19. Don’t warm up the car: It’s a thing of past now, as all modern cars doesn’t require warming up the engine for 5-10 minutes. While you start, drive gently (no hard acceleration) is more than enough to warm the engine oil and protect your car engine.

20. Use soft music while driving: The choice of soft music will make you more attentive and considerate on the road with all of the above fuel saving tips. Fast or upbeat number will aggravate you more to forget all and drive fast as possible and race to finish line.


Plan and Monitor

21. Track your fuel consumption: For improving the fuel mileage, one needs to track it on every fill-up and then compare with previous mileage to improve further. Fuelly is one good site and app that offers tracking fuel fill-ups very efficiently and do the cross comparison with previous tank reading to encourage driver.

22. Display fuel consumption in cluster: If your car comes with fuel consumption display then drive it with that all the time to keep a constant eye on your driving behavior and constantly challenge and remind yourself to improve it.

23. Take the empty roads: Prefer to choose empty road while routing than the traffic filled road, as car consumes a lot of extra fuel in stop and go traffic. Example: 5 kms stretch in 20 mins will sip more fuel than 10 km stretch in 20 mins.

You can plan the shortest and fastest route by using the GPS navigation by using the traffic layer. Dubai residents can use amazing RTA Smart Drive app to drive efficiently.

24. Drive around economy zone: Every car speedometer has two little green point around 40-60 and 80-100 range indicating the best fuel economy zone. Try to drive within or around that economy zone as much as possible.

25. Start early to avoid rush: Start 5-10 minutes early to avoid rush hours or rushing at high speed or get stuck in stop-and-go traffic which is worst for fuel mileage.


External Factors

26. No to drive-ins: Start saying no to drive-in restaurants and café that get you stuck in the queue for several minutes and spoil the fuel economy. It’s better to step out and stretch little while waiting for your order.

27. Pick the clean lane: While driving in a clean lane you can control your gradual speeding and plan your brakes than in busy lane that forces you to brake and speed-up all the time.

28. Honk if needed: If you suspect the car in next lane gliding towards your lane without an indicator, just honk a little to get to his attention and avoid any hard braking or sudden manoeuver.

29. Adhere to the speed limit: If you adhere to the assigned road speed limit then you are among majority of the car driver on the road and you don’t have to slow down or pace up suddenly. These sudden increase or decrease in speed takes the toll on the fuel mileage.

This way you can also avoid Dubai Police Fines for over-speeding and also avoid other RTA Fines and Traffic Fines in the UAE.

30. Park in shade: As this will heat up your car less and which will use lesser air conditioning to cool car cabin and result in less fuel consumption and more comfortable drive.

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This look like some serious cost saving fuel tips. I have been loading what not in my car boot from 3 months and now co-relate that it could be the reason for little extra fuel cost I am spending. Will clean the boot right away. Thanks folks, for opening my eyes.

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This is an excellent post that contains a lot of usable information, and we should all be doing what we can to save fuel. However, there is one important point that the post does not list, and that is that we should be driving less.

Look at it this way- there is little point in driving smarter to save fuel if we don't cut down on the number if trips we take. For instance, stop at the supermarket to pick up bread, milk, and the like on your way home, instead of going home, only to take we trip to the shops a while later.

The biggest fuel saver is not driving at all. This is of course not always possible, but by doing some planning, we can all combine our trips to do several things at the same time, instead of taking a trip for each little errand.

I think it is fair to say that we can all save around a hundred kms or so per month if we combine our trips to do several things while we are in town. I challenge all members to make the experiment, and to post the number of kms (and litres of fuel) saved by reducing the number of trips in a month. There are no prizes for the winner, but by doing this we might inspire more people to drive a little less.  

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Excellent post, and while I agree with @treks that we can all reduce the number of trips we make, I think that this list of tips and tricks can be expanded quite a bit more. 

For instance, we all need to look at the types of cars we drive. Do we really need a fuel-guzzling SUV or truck when a more economical sedan will get as around just as comfortably? Of course, trucks and SUV's have a valid place in the market, but apart from their fuel consumption, the amount of energy it takes to manufacture a big SUV is about twice the amount required to make a medium-sized sedan.

A large part of that energy is accounted for by electricity, which is often generated by burning fossil fuels, and even more fossil fuel is burnt by driving that SUV when a smaller, more fuel efficient car will do the same thing- getting  from point A to point B.

Like Treks, I would like to issue a challenge to Carnity members. I think it would be interesting to get members' opinion on why they drive the cars they do, and if they think they can make significant savings on fuel costs if they replaced their trucks, SUV's, and V8 fuel-guzzlers with smaller, more economical vehicles.

Another thing to keep in mind is that a litre of diesel takes you further than a litre of petrol does, so what do members think- will they replace their petrol cars with a diesel model that in many cases outperforms their petrol counterparts on several levels? Diesel engines are now about 40% fuel efficient, whereas petrol engines rarely exceed 32-34% fuel efficiency. 

Moreover, performance-wise, diesels are now on a par with almost any petrol engine, and besides, diesels exhaust emissions are often lower than emissions from comparable petrol engines.

What do YOU think- will you replace your present car with a more fuel efficient diesel model?

Edited by gautam
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This post has changed my point of view completely from the way I used to drive. With very few adjustments I successfully saved over 5L/100 from my usual fuel mileage of V8.

  • 5L/100 = 20L/400 (per tank)
  • 20L x 4 fillups (per month) = 80 L saving worth 144 AED

Thanks for this good saving every month.

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