- Deflated tyres run hot and jeopardize safety. It will cause the tyres to wear out prematurely, affect the vehicles adversely, and hurt the fuel economy by increasing the rolling resistance.
2) Drive at moderate speed.
- Fuel consumption increases at speeds above 90km/hour. A car uses around 15% more fuel at 100km/hour, and 25% more fuel at 110km/hour compared to when it is doing only 90km/h.
3) Clean the air-filter all the whiles.
- Clogged air filters increase fuel consumption by restricting airflow to the engine, and thus should be cleaned/replaced when necessary.
4) Warming up the car.
- When starting the engine, idle it no more than 30 seconds to warm it up.
5) Drive in high gear (overdrive).
- The engine runs most efficiently between around 1,500 and 2,500 rpm. To maintain these low revs you should change up through the gears as soon as practical and before the revs reach 2500 rpm.
6) Travel light.
- Every 50kg added load in your car will increase fuel consumption by 2%.
7) Use the air-con sparingly.
- Air conditioners can use up to 10% extra fuel when operating. However, at speeds of over 80 km/h, use of air conditioning is better for fuel economy than an open window.
8) Don't let your engine idle.
- Idling more than a minute consumes much more fuel than restarting the engine.
9) Avoid strong acceleration.
- Every time the accelerator is being hard pressed, the engine goes into a "fuel-enrichment" mode of operation that wastes fuel.
10) Use thinner tyres.
- Thicker tyres mean more rolling resistance which will consume more fuel.
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