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Irish Mirror
Irish Mirror
National
Clare McCarthy

Specific speed you should be driving at and 8 other tips to make your fuel last longer

The fluctuating cost of fuel along with the cost-of-living crisis has meant that everyone is more cautious of the price of filling up their tank this year.

Many drivers are looking for ways to increase their fuel efficiency and make the petrol or diesel in their tank go further - by keeping their car tyres well-inflated as well as driving smoothly.

However, according to the experts at price comparison website Quotezone.co.uk, one of the most crucial factors on fuel consumption is speed - as the faster you drive the more fuel you waste.

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According to the experts, the optimal speed most cars should be driven at for fuel efficiency is 72km/h - 80km/h (45-50 mph).

Here are eight other fuel-saving tips to make the petrol or diesel in your tank last longer:

1. Remove extra weight in your car

The heavier the car, the harder the engine has to work, resulting in higher fuel consumption. Make sure to declutter your car and clear out the boot to reduce some weight.

2. Service your car

Keeping the car in good condition ensures that the vehicle runs efficiently which also helps fuel economy. It may be a bit costly to service the car, but it can save you a lot of money in the long run.

3. Drive smoothly

Sudden braking and speeding up burns more fuel and that’s why it’s important to gauge the flow of traffic. Gentle acceleration and steady speed ensure the most economical use of fuel.

4. Change into higher gears

Switching into the highest possible gear keeps the revs low which saves petrol. For example, at a 64kmh speed the car will consume 25% more fuel in third gear compared to fifth. Under normal conditions the gears should be changed when the revs are between 1,500-2,000 rpm.

Hand man checking air pressure air car tire (stock image) (gettyimages.ie)

5. Check tyre pressure

It’s important to make sure that the tyres are inflated to the right pressure, because underinflated tyres create more rolling resistance which means that the engine has to work harder. The car can consume 5% more fuel for every 0.5 bar drop in pressure.

6. Don't leave the engine running

Drivers should switch off the engine when the car is stationary for even a few minutes. Leaving the engine running is bad for the environment and wastes fuel.

7. Turn off the air-con

The vehicle’s add-on functions, like air conditioning and seat heaters, should only be used, when necessary, as they drain the car’s battery as well as the petrol tank.

8. Don’t fill the tank to the brim

Fuel is heavy, so if the tank is filled to the top, then there is more unnecessary weight that the car has to carry.

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