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> I never claimed that it would. I said "Driving at the speed limit will definitely save you more fuel than speeding.", which is definitely true. If you speed y
by vonmoltke 11y ago
> I never claimed that it would. I said "Driving at the speed limit will definitely save you more fuel than speeding.", which is definitely true. If you speed you are going faster and using more fuel.
That statement has nothing to do with the speed limit, though. It may be trivially true, but adding the speed limit ties an irrelevant variable to it. Speed limit is a semi-arbitrary number that has nothing to do with how much fuel a car uses and how efficiently it uses it.
- phpnode 11y agoThe implication is that driving over the speed limit is likely, on average, to be less fuel efficient than obeying it. Due to the laws of human nature, very few people drive significantly below the speed limit, and very few people prioritise their fuel economy over everything else so this translates to a reasonable guideline.
- tremon 11y agoThe implication is that driving over the speed limit is likely, on average, to be less fuel efficient than obeying it. Not necessarily, because of gear changes. Not all cars can use 5th gear in a 50km/h zone, so they'll drive in 4th gear. It seems likely that doing 60km/h in 5th gear is more efficient than 50km/h in 4th gear.