this post was submitted on 20 May 2026
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[–] pingu@piefed.europe.pub 6 points 1 day ago (1 children)

Damage to the road scales with axle load using a fourth power. Yes a fourth power. So an average truck does roughly 3000x more damage to road surfaces than an average EV.

Yet, weather influences account for the majority of road wear, so the weight of cars really does not matter at all.

Weight is just the mechanism to tax cars in many countries. Whether its fair to exempt EVs from road taxes is a different story, and depends on the type of behaviour a government wants to promote.

https://en.wikipedia.org/wiki/Fourth_power_law

[–] Entertainmeonly@lemmy.blahaj.zone 1 points 1 day ago (2 children)

Playing devils advocate the average weight of an ev is roughly a 1000lbs more than an equivalent ice car.

[–] UnpledgedCatnapTipper@piefed.blahaj.zone 1 points 1 day ago (1 children)

My Bolt EV weighs like 3600 pounds, about 400 pounds more than my old ICE Honda Accord. Maybe we should tax vehicles based on manufacturer spec curb weight. That might push demand for smaller, lighter, more efficient cars.

I genuinely agree with this. It would help curb the push for monster trucks with less veiw than abram tanks.

[–] pingu@piefed.europe.pub 2 points 1 day ago (1 children)

The weight of an average truck is roughly 80.000lbs more. Now add a power of 4 to that.

Commercial vehicle taxes are already scaled by weight and milage.