[Kozak]

“Also note, most of the time you go up a mountain, you also come down. you regen on the downhill.
Not 100%, but better than the 0% regen with ICE.”

LOL.
I can coast downhill at zero energy costs.

[DUMBGRUNT]

I can coast downhill at zero energy costs.

TRUE.
But how far will you travel beyond the downgrade?
And each touch of the brakes you are burning energy, making your rotors warm.

Regen saves it for later.