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Does Using Car Ac Burn More Fuel? by officialfestus(m): 7:52pm On Mar 23, 2017 |
[b] Do you think that turning on your
car air conditional while driving
increases your fuel consumption?
Well the answer is yes!
Like every other device in your
car, the air conditional draws
energy from the engine which
automatically increase load on
the engine, therefore increasing
fuel usage.
When your car is running, it
makes use of energy supplied by
the alternator which comes from
the engine. When the compressor
runs, more pressure is put on the
engine which gives out more
energy. With the car ac on, the
car actually burns more gas than
with the ac off.
The bigger question however is,
which consumes more fuel,
driving with ac on or driving with
windows down?
Like state above, the air
conditional when on, draws
power from the engine,
depending on the car make and
brand, the amount of power used
u the ac varies.
Rolling down the windows on the
other hand burns more fuel than
we actually realize! The average
car driver does not have the idea
of this. With the windows down,
a car becomes less aerodynamic.
The air that gushes in through the
window causes additional
resistance or drag, thereby
increasing the car’s resistance.
Increased resistance means that
the car has to work harder to
maintain its speed, therefore
putting more strain on the engine
which automatically burns more
fuel.
In 2014, the Society of
Automobile Engineers (SAE)
conducted a research by testing a
car in both a wind tunnel and on
a desert tract in Arizona, using a
full sized sedan and an SUV. The
study showed that driving with
the window rolled down was
actually more fuel consuming
while especially driving faster
than 50 – 55 mph, fuel efficiency
dropped by a whopping 20%, but
only 10% when the air conditional
was on.
SAE recommends driving with
your window down if you are
driving in city street that does not
require speeding, however when
in a highway, the drag produced
by rolling down your window
exceeds the efficiency drop by
keeping windows rolled up and
ac on.
For better fuel economy,
windows should be rolled down
while driving in your
neighbourhood, traffic and low
speed areas while ac should be
used when driving on highways
Anf express road. 4 Likes |
Re: Does Using Car Ac Burn More Fuel? by Lastpharoah33: 8:02pm On Mar 23, 2017 |
I thought as much 1 Like |
Re: Does Using Car Ac Burn More Fuel? by musco4me: 8:04pm On Mar 23, 2017 |
Hmmmmmm |
Re: Does Using Car Ac Burn More Fuel? by majamajic(m): 8:31pm On Mar 23, 2017 |
All depends on the age and model of the car, new model cars takes more fuel when the AC is off. |
Re: Does Using Car Ac Burn More Fuel? by Kingsasian(m): 8:42pm On Mar 23, 2017 |
So informative, thanks a lot op. |
Re: Does Using Car Ac Burn More Fuel? by PoisonedOne: 10:14pm On Mar 23, 2017 |
Nice one. I would like to know whether increasing the AC to 'hi' actually consumes more fuel or It's the same. I've a brother that always puts his AC on low and must drive his car for about 10 minutes before putting on the AC believing the engine should charge before putting the AC on. I always fault this and felt slightly irritated whenever I drive with him and he is doing the "leaving engine to charge before putting the AC on" . |
Re: Does Using Car Ac Burn More Fuel? by officialfestus(m): 4:15am On Mar 24, 2017 |
PoisonedOne:anytime you start the car,wait for aleast ten minutes before putting on your ac....this method make's your car battery last longer....expect you are travelling on a long distance |
Re: Does Using Car Ac Burn More Fuel? by officialfestus(m): 4:23am On Mar 24, 2017 |
Kingsasian:u r welcome |
Re: Does Using Car Ac Burn More Fuel? by officialfestus(m): 4:24am On Mar 24, 2017 |
majamajic:yeah....you are right,cars like mercedes benz |
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