this post was submitted on 05 Jul 2024
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Even in the slowest lane (lemmy.world)
submitted 5 months ago by The_Picard_Maneuver to c/[email protected]
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[–] [email protected] 26 points 5 months ago (1 children)

This is correct, especially at lower speeds. Greater fuel efficiency would come from lower wind and drivetrain resistance and use of a more efficient range of the motor’s powerband.

Most vehicles are geared for optimal speed to fuel consumption around 55-65 mph (90-100 kph) not 70+ mph (110+ kph). So just going a bit under the speed limit can have a significant impact on fuel consumption.

[–] [email protected] 7 points 5 months ago (1 children)

Also, truckers drive efficiently, so just following what they do will save gas.

But yeah, I don't go over 65mph and I end up with 7-10mpg over my highway rating.