up your tires
Keeping your tires inflated is one of the easiest
and most important things. Saving petrol means
saving money one can do to improve fuel economy.
a range is recommended by the manufacturer, the
higher pressure should be used to maximize fuel
efficiency. Deflated tires run hot and jeopardize
safety. It will also cause the tyres to wear out
prematurely, affect the vehicles adversely, and
hurt the fuel economy by increasing the rolling
lose about 1 psi pressure per month due to air
loss caused by the tire hitting holes, bumps and
curbs. Therefore, the tires should be checked
at least once a month. Just 1 tyre deflated by
2 psi will result in a 1% increase in fuel consumption.
at moderate speed
Avoiding high speeds on open roads resultsin safer
driving and better fuel economy. In highway driving,
over 50% of the power produced by the engine is
used to overcome erodynamic drag. Drag and thus
fuel consumption increases rapidly at speeds above
90km/h. On the average, a car uses about 15% more
fuel at 100km/h, and 25% more fuel at 110km/h
compared to when it is doing only 90km/h.
this should not lead one to conclude that the
lower the speed, the better the fuel economy -
because it is not. The fuel consumption of an
average car increases sharply at speeds below
the air-filter regularly
air filters increase fuel consumption by restricting
airflow to the engine, and thus should be cleaned/replaced
when necessary. Clogged air filters can increase
fuel consumption by up to 10%.
Tires with thick width will improve the handling
of your car. However, it will also increase your
car's fuel consumption. Thicker tires mean more
rolling resistance! , and thus will consume more
up the car properly
With today's cars, it is not necessary to prime
the engine first by pumping the accelerator pedal
repeatedly.Do not crank the engine excessively
This only wastes fuel.When starting the engine,
idle it no more than 30 seconds to warm it up.
An engine will warm up faster on the road. However,
avoid sudden acceleration before the engine has
warmed up sufficiently.
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.
automatic transmission cars, you should always
switch on your overdrive to help save fuel. Overdrive
will allow your engine to change gears at lower
revs. It also puts your transmission into an "economy"
mode and lets it engage the final "overdrive"
gear when cruising to ! keep the rpms extra low,
thereby increasing fuel economy.
If you are keeping lots of items in your boot
that you don't need then take them out!
fixings on your car (like a roof box) also increase
your cars aerodynamic drag because they change
the air flow over your car. So to travel at the
speed you normally travel at the engine has to
work harder using more fuel. So remove internal
and external items from your car because they
are weighing you down and affecting your aerodynamics!
A driver can reduce fuel consumption by up to
10% by anticipating traffic conditions ahead and
adjusting the speed accordingly, and avoiding
tailgating and thus unnecessary braking and acceleration.
and decelerations waste fuel. Braking and abrupt
stops can be minimized by not following too closely
and slowing down gradually when approaching a
red light. It takes up to six times as much fuel
to move a car from a dead stop than it does for
one moving at just a few km/h.
The fuel consumption remains at a minimum during
steady driving at a moderate speed of about 90km/h.
Keep in mind that every time the accelerator is
hard pressed, t! he engine goes into a "fuel-enrichment"
mode of operation that wastes fuel.The vehicle
should always be gradually and smoothly accelerated.
Using cruise control on highways can help maintain
a constant speed and reduce fuel consumption.
Additional parts on the exterior of a vehicle
such as roof racks and spoilers, or having the
window open, Roof racks are bad for fuel economy
increases air resistance and fuel consumption,
in some cases by over 20%.
let your engine idle
Minimize fuel wasted in idling by stopping the
engine whenever your car is stopped or held up
for an extended period of time. Idling more than
a minute consumes much more fuel than restarting
the engine. By having the engine switched off,
you will save more fuel than is lost from the
burst of fuel involved in restarting the engine.
The net increased wear and tear from this practice
the air-con sparingly
Air conditioners can use about 10 per cent 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