You can. Sort of.
Lemmy does not provide it via the UI. But it does provide the info via federation. If you set up your own instance, other instances will happily share this info with you. The information is inconvenient to access, but not hidden or private.
About 80% of all effort for the Lightyear cars is in efficiency.
You have the obvious, like weight and aerodynamics. But also things like in-wheel motors, which are much more efficient than normal electrical engines, since there are almost no mechanical losses. Or the rear-view camera's, which save a lot of energy on air-resistance.
I'd like to know what an alot is.