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Originally Posted by Cd
I'd like to know how much fuel is wasted from sections of interstate highways that are less smooth.
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We have some pretty bad roads here, and some are close to the border, so they're easy to compare with the Dutch roads.
I see differences in fuel consumption of up to 0.5L/100km (!) depending on road surface.
This massive change happens only when going from very good to pretty poor - or the other way around though.
In highway conditions, we're talking 12-16 % differences !
Cobblestones are also notoriously bad for FE.
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Is this due to the need for more grip on that section of the highway due to the frequency of accidents there ?
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I'd be surprised if there was any specific FE-related reason at all.
Better rolling roads are only recently being considered as a means to reduce fuel consumption.