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submitted 8 months ago* (last edited 8 months ago) by silence7@slrpnk.net to c/climate@slrpnk.net
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[-] JohnnyCanuck@lemmy.ca 3 points 8 months ago

Wdym? The faster a car moves (or anything, not just a car) the less efficient it's gonna be, because it has to fight against more and more wind resistance.

That isn't entirely true. At lower speeds there may be other inefficiencies that are worse than wind resistance (since wind resistance becomes negligible at low speeds).

It will depend on the vehicle, but for example, small gasoline cars are more efficient at ~70 km/h than at lower speeds. Electric vehicles will likely be more efficient at lower speeds (~40 km/h) than gas vehicles, due to (lack of) gearing but there will still be low speeds where they are less efficient than higher speeds.

https://www.researchgate.net/figure/ehicle-energy-economy-at-different-speeds_fig1_326822085

this post was submitted on 03 Mar 2024
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