I was watching an old repeat of Top Gear the other night where Clarkson drove an A8 Diesel from Lonfon-Edinburgh and Back.
He was saying that he turned the heating off to save fuel econmy, likewise he was driving on side lights in the rain rather than dipped beam.
Now I know that the air con compressor will increase fuel consumption but would you really notice extra fuel being used by using your heater?
Lights? Rear window demister? Etc?
What about using the radio?
I'm not condoning any of this, just want to know if there is a gain that is measurable. I would haev thought it would haev been too small to measure.
Thanks
Tags: air conditioning
fuel economy
air con
ulez
suvs
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