For business use EV's would solve a lot of problems.
I've worked in places with shared "pool" cars and without exception it always comes to the same point. Management finds it necessary to issue a formal direction that no car shall be returned less than a quarter full of fuel. Give it a year and the same direction is issued again following another incident.
Because getting staff to actually put fuel in a shared car seems to always be a problem.
Enforcing an "always plugged in when parked" EV policy would be far easier.