npub1wuw8j93m048f807xf5cu3dwx5v9xqt0mt3eknp5zv8wezquxaytq8tpjs5 (npub1wuw…pjs5) Yes, a cost per km (or per mile) is the better approach, exactly for the reason you say: the coming EV revolution (my 15yo will get my wife’s Escape when he goes to college, and we'll definitely get my wife an EV).
So here are my F-150 truck’s cost per distance (in both R/km and $/m). We definitely run more expensive here with our incredibly inefficient engines.
(let me know if you spot a glaring error in my calculations)