There are many variables and scenarios, yes.
This, however, is not an excuse not to provide some more data points that help people estimate what they are really getting...
Anyway Tesla has data from all their cars, they could use that.
Any information on how to make webs and web apps easier to navigate for these agents? I got it using some apps and it did amazing job. However I realized it complains about certain (very ovious) buttons being not easy to see
It seems after making it several times to the front page in HN the author has decided to give this (apart from the ads) really interesting blog a new try... I hope they find a less intrusive way to monetize it.
Anyway Tesla has data from all their cars, they could use that.